Plurafac LF 403

CAS Number: 120313-48-6 (associated with Plurafac LF 403 in the manufacturer's current product register)
EC Number: Not reliably established for this precise commercial grade from the reviewed public documents
Molecular Formula: Variable; fatty alcohol alkoxylate distribution rather than one defined molecule
Molecular Weight: Variable; a single molecular weight is not established for this commercial grade
Boiling Point: Above 250 °C (reported in a February 2018 regional safety data sheet; not a precise boiling range)
Melting Point: Not a fixed pure-substance melting point; representative setting/solidification point approximately -25 °C (DIN 51583)
Viscosity: Approximately 60 mPa·s at 23 °C (dynamic viscosity, EN 12092/Brookfield LVT, representative 2013 technical figure)
Density: Approximately 0.95 g/cm3 at 23 °C (DIN 51757, representative 2013 technical figure); a 2018 regional SDS reports approximately 0.94 g/cm3 at 20 °C

COMMON PRODUCT AND CHEMICAL NAMES

Plurafac LF 403
Plurafac® LF 403
Fatty alcohol alkoxylate (chemical family)
Ethoxylated and propoxylated fatty alcohol (grade-related chemical description)
Alcohol alkoxylate (broader chemical-family term)
Low-foaming nonionic surfactant (functional descriptor)

These descriptions are not all exact chemical synonyms. Only the commercial designation identifies the grade; generic terms also apply to numerous surfactants with different hydrophobic chains, alkoxylation patterns, cloud points and foam behavior.

WHAT IS PLURAFAC LF 403?

Plurafac LF 403 is an industrial surfactant ingredient primarily relevant to detergent and cleaner formulation. The manufacturer's current product description emphasizes wetting, low foaming and, in appropriate mixed surfactant systems, even foam-reducing action. These functions are interrelated but not interchangeable: a product can reduce an unwanted foam problem without being the strongest rapid wetting agent in a standardized immersion test.

Plurafac LF 403 belongs to a class of nonionic fatty alcohol alkoxylates designed to behave differently from conventional high-foaming alcohol ethoxylates. A nonionic head region means the molecules do not carry the permanent sulfate or sulfonate charge characteristic of familiar anionic surfactants. This difference is relevant to electrolyte response, compatibility screening and the way mixed surfactant systems perform, but it does not guarantee compatibility with every alkaline, acidic or cationic ingredient.

In the manufacturer's historical family technical information, the delivered Plurafac LF 403 material is a liquid at 23 °C with an approximate concentration of 100%. This is a description of commercial surfactant concentration, not a statement that every molecule has identical molecular weight or that all impurities are absent. For procurement and formulation decisions, the grade name, manufacturer's product reference, regional safety document and batch-specific quality data need to agree.

Plurafac LF 403 should not be presented as a disinfectant, biocide, antimicrobial active, corrosion inhibitor, builder, chelating agent or preservative solely because it is used in cleaning products. Any of those additional functions require their own suitable raw materials, regulatory evaluation and finished-product testing.

CAS NUMBER, EC / EINECS NUMBER AND CHEMICAL IDENTIFICATION

The current manufacturer product finder associates Plurafac LF 403 with CAS 120313-48-6 and commercial product number 30044016. This is useful for identification, but an associated CAS number is not a substitute for confirming the precise regional regulatory inventory identity of a shipment.

The reviewed February 2018 United States safety data sheet describes the family as ethoxylated/propoxylated fatty alcohol and, in its composition disclosure, refers to an ethoxylated alcohol component as a trade secret at 75–100% by weight. A commercial-product CAS listing and a hazard-based SDS ingredient disclosure can use different identification conventions. They should not be forced into an invented single-compound formula.

No unequivocal EC or EINECS registration number was established from the reviewed manufacturer documentation for the exact grade. It would be inappropriate to copy an EC number from another alcohol ethoxylate or from a similarly named Plurafac product. The correct approach is to request the current jurisdiction-specific SDS or a regulatory identity confirmation when that number is required for customs, declarations or downstream compliance.

The manufacturer's product code 30044016 is a grade identifier, not an assay, an EC number or a United Nations transport number. Different Plurafac LF grades may have similar names but substantially different water behavior, viscosity or foam-control characteristics, so commercial substitution always needs technical validation.

CHEMICAL STRUCTURE AND MOLECULAR CHARACTERISTICS

Plurafac LF 403 is described as a fatty alcohol alkoxylate. At the family level, such materials contain a hydrocarbon segment inherited from a fatty alcohol and an ether-rich segment built from alkylene oxide units. A simplified conceptual structure is R–O–(alkylene oxide units)–H; this is an illustration of the chemical family, not a specific verified molecular formula or a disclosure of the exact monomer sequence.

The reviewed manufacturer family documentation describes predominantly unbranched alkoxylated fatty alcohols containing higher alkylene oxide units alongside ethylene oxide. The regional SDS also identifies ethoxylated and propoxylated alcohol chemistry. These descriptions support a mixed polarity profile, but they do not establish the precise fatty chain distribution, numbers of ethylene oxide and propylene oxide units, their sequence, or a unique polymerization degree for Plurafac LF 403.

The hydrocarbon portion has affinity for many oily and hydrophobic interfaces, while ether oxygens in the alkoxylate region permit interactions with water. Their arrangement is associated with amphiphilic surface activity, but water compatibility also depends on temperature, concentration, electrolytes and the presence of solubilizers. The actual commercial grade therefore must be assessed as a distribution of related molecules rather than as one pure surfactant compound.

As temperature changes, hydration of the alkoxylate region can change, affecting phase separation and the type of interface at which the material concentrates. Such behavior helps rationalize why a low-foaming surfactant may show measurable lowering of surface tension yet exhibit slow wetting or limited clear-water solubility under particular laboratory conditions.

An exact hydrophilic-lipophilic balance, average molar mass and molecular formula were not verified in the reviewed product-specific primary documentation. They should be obtained from appropriate current product documentation if needed, not calculated by assuming that LF 403 has the same chemical architecture as an adjacent grade.

PHYSICAL AND CHEMICAL PROPERTIES

The following values are representative historical manufacturer figures, primarily from an August 2013 family technical data document, and selected values from a February 2018 regional SDS. They are not guaranteed current manufacturing limits, not a batch certificate and not measurements supplied by Ataman Kimya.

Chemical Class: Fatty alcohol alkoxylate; nonionic surfactant
Manufacturer Product Reference: 30044016
Commercial Form at 23 °C: Liquid
Appearance: Colorless to yellowish liquid (2018 regional SDS)
Odor: Product specific; no quantified odor threshold established
Representative Surfactant Concentration: Approximately 100% (2013 manufacturer family document)
Dynamic Viscosity at 23 °C: Approximately 60 mPa·s (EN 12092, Brookfield LVT)
Dynamic Viscosity at 10 °C: Approximately 120 mPa·s (EN 12092, Brookfield LVT)
Dynamic Viscosity at 0 °C: Approximately 250 mPa·s (EN 12092, Brookfield LVT)
Density at 23 °C: Approximately 0.95 g/cm3 (DIN 51757, 2013 family document)
Density at 20 °C: Approximately 0.94 g/cm3 (DIN 51757, 2018 regional SDS)
Setting/Solidification Point: Approximately -25 °C (DIN 51583)
Cloud Point, EN 1890 Method D: Approximately 51 °C (specific butyldiglycol test medium)
Cloud Point, EN 1890 Method E: Approximately 41 °C (different butyldiglycol test medium)
Cloud Point in Plain Water by Method A: No representative result listed for LF 403 in the 2013 manufacturer table
Water Number: Approximately 13 mL (EN 12836, historical representative value)
pH: Approximately 7 (EN 1262, solution B; regional SDS specifies 50 g/L at 23 °C)
Surface Tension: Approximately 30 mN/m (1 g/L in distilled water, 23 °C, EN 14370 with Harkins–Jordan correction)
Wetting at 23 °C, 0.5 g/L Surfactant: Greater than 300 s (EN 1772, water containing 2 g/L soda ash)
Wetting at 23 °C, 1.0 g/L Surfactant: Greater than 300 s (same test)
Wetting at 23 °C, 2.0 g/L Surfactant: Greater than 300 s (same test)
Wetting at 70 °C, 0.5–2.0 g/L: Greater than 300 s at each of these concentrations (same manufacturer's historical table)
Boiling Point: Greater than 250 °C (2018 regional SDS)
Flash Point: Approximately 190 °C (DIN ISO 2592, 2018 regional SDS)
Autoignition Temperature: Greater than 200 °C (DIN 51794, 2018 regional SDS)
Vapor Pressure: Less than 0.1 hPa at 20 °C (2018 regional SDS)
Thermal Decomposition: Above 300 °C (2018 regional SDS)
Direct Water Solubility: Reported as insoluble / not miscible by regional SDS; a 10% clear-water solubility test is negative in the historical family document
Soluble in Ethanol: Yes, in the historical 10% solubility test at 23 °C
Soluble in Isopropanol: Yes, in the same historical test
Shelf Life: Historical family document indicates at least two years in correctly stored, tightly sealed original packages; verify the current grade and delivery date conditions before relying on this figure.

The 2013 density figure at 23 °C and 2018 SDS value at 20 °C differ slightly. This difference is explicitly retained instead of selecting one number as a universal constant, because measurement date, temperature and sample variability can matter. Similarly, no unsupported refractive index, exact molecular weight, fixed pure-substance melting point or numerical HLB is stated here.

UNDERSTANDING CLOUD POINT, PHASE BEHAVIOR AND TEST METHODS

A cloud point reflects loss of optical clarity or phase changes under a defined concentration and solvent environment. For a nonionic alkoxylate, the number can be strongly influenced by temperature and by interactions between water, solvent and the hydrophilic portion of the surfactant. It cannot be interpreted correctly without specifying the test method.

The representative LF 403 values of 51 °C under EN 1890 Method D and 41 °C under Method E were obtained in two different butyldiglycol-containing test systems. Method D involves five grams of surfactant and forty-five grams of a 250 g/L butyldiglycol solution, whereas Method E uses five grams of surfactant and twenty-five grams of that solution. Because the solvent-to-surfactant ratios are different, these values are not competing measurements of one simple aqueous cloud point.

The same historical table does not give an LF 403 cloud point for EN 1890 Method A in distilled water. Accordingly, an unqualified statement such as 'water cloud point 41 °C' would be misleading. A clear aqueous solution may require a different surfactant package or solubilizer, and clouding must be tested in the actual cleaning concentrate and at its working dilution.

The manufacturer also reports a water number of approximately 13 mL by EN 12836. This is a specific analytical descriptor of behavior under that standardized method, not a direct percentage of water solubility or a promise that a diluted formula will remain homogeneous.

For formulation evaluation, examine both concentrate stability and use-dilution stability, ideally over the actual range of temperature and hardness expected in service. Record whether a sample is clear, opalescent, phase-separated or a stable emulsion; these outcomes describe distinct physical states and cannot be collapsed into the word 'soluble'.

SURFACE TENSION, WETTING AND INTERFACIAL PERFORMANCE

The manufacturer's representative surface tension measurement for LF 403 is approximately 30 mN/m at 1 g/L in distilled water and 23 °C, using EN 14370 with the stated correction. This confirms that a test dispersion or solution containing the surfactant can exhibit reduced surface tension under the specified conditions, but it does not imply that the bulk product is completely miscible with water.

Wetting tests measure a different aspect of performance. The historical EN 1772 results for LF 403 were greater than 300 seconds at 23 °C for concentrations of 0.5, 1 and 2 g/L, in distilled water containing 2 g/L soda ash. At 70 °C, the manufacturer also reported greater than 300 seconds at those test concentrations. These are important counterweights to generic claims that any surfactant with low surface tension must also be a fast penetration or wetting agent.

In practical cleaning products, wetting of a specific substrate can depend on co-surfactants, builders, solvents, temperature, soil composition and contact time. LF 403 may still be useful in a system optimized for foam behavior, even if a rapid-wetting surfactant is needed to supplement its performance. The complete formulation should be tested on the relevant surface under realistic spray, brush, soak or circulation conditions.

The reported test is neither a universal cleaning score nor an oil-removal percentage. It should not be transformed into an unsupported statement that the product always cleans slowly, or that it is ineffective in formulated detergents.

WATER SOLUBILITY, SOLVENT COMPATIBILITY AND CLARITY

The manufacturer’s historical 10% compatibility table at 23 °C lists LF 403 as not clearly soluble in distilled water or potable water. The same test lists it as soluble in ethanol and isopropanol, and as soluble in mineral spirit, spindle oil and aromatic hydrocarbon solvent systems. These are test observations for specific solvents and a specific concentration; they are not a blanket approval for every formulation or processing condition.

The February 2018 regional SDS uses the descriptions 'insoluble' and 'not miscible' with water and notes solubility in petroleum spirit and ethanol. This is consistent with the clear-water screening table and clarifies why LF 403 cannot be assumed to form a transparent single-phase aqueous solution merely by adding water.

The historical manufacturer guide explains that certain low-cloud-point members of the LF family can be solubilized using suitable alcohols, glycols or hydrotropes such as sodium cumene sulfonate. For LF 403, the required co-solvent or hydrotrope level is not established by that general statement and should be measured in the intended system, not supplied as an invented universal percentage.

Compatibility with strongly alkaline, acidic or salt-rich liquids is formulation-specific. The published 10% screening indicates no clear solubility in 5% caustic soda, 5% hydrochloric acid or 5% salt solution for this grade. This is a clarity observation, not proof that every final alkaline or acid cleaner is unusable; an appropriately formulated concentrate can still be evaluated for its physical stability and performance.

Clear solutions, stable emulsions and deliberately dispersed surfactant phases can each be appropriate to different products. The important requirement is that the finished mixture remains stable and delivers the intended performance over storage, dosing and use.

VISCOSITY DURING DILUTION AND PROCESSING

Undiluted LF 403 has a representative dynamic viscosity of approximately 60 mPa·s at 23 °C, but this value does not predict the viscosity of intermediate water mixtures. The manufacturer published an illustrative dilution series showing that viscosity initially increases as water is added, reaches a maximum region and then decreases again.

In the historical Brookfield LVT data at 23 °C, the reported values for water addition to LF 403 were approximately 60 mPa·s with no added water, 120 mPa·s at 10% added water, 230 mPa·s at 20%, 310 mPa·s at 30%, 360 mPa·s at 40%, 500 mPa·s at 50%, 270 mPa·s at 60% and 60 mPa·s at 70%. The figures were obtained for binary water/product mixtures in a historical reference test. At 80% and 90% added water the table reports less than 20 mPa·s, but this must not be mistaken for proof of optical clarity or thermodynamic single-phase stability.

The manufacturer's general guidance recommends stirring the surfactant into water because reversing the order can lead to problematic high viscosities for certain grades and concentrations. The advice does not supply a universal industrial mixing recipe or invalidate plant-specific safety assessment, especially when strong alkalis, acids, hot solutions or other ingredients are present.

Intermediate viscosity can affect pump sizing, dosing precision, batch mixing time and the ability to transfer concentrate through pipes. A concentrate that appears easy to handle before dilution may temporarily form a much thicker local zone. Process engineers should evaluate the actual addition order, agitation capability, mixing energy, heat removal and achievable phase uniformity.

There is no reliable basis here to specify an exact industrial shear rate, mixing time, dilution percentage, maximum batch size or guaranteed pump performance. Small-scale compatibility work followed by appropriate pilot validation remains necessary.

HOW DOES PLURAFAC LF 403 WORK AT THE MOLECULAR LEVEL?

The central mechanism is surface activity by nonionic amphiphiles. Molecules with a fatty-derived hydrophobic region and alkoxylated polar region can lower the free energy of an interface by distributing between the water-rich phase and hydrophobic or air-containing interfaces. This may support changes in contact angle, surface spreading and soil-removal behavior when the rest of the detergent package is appropriately designed.

Foam stability depends on the lifetime and mechanical strength of thin liquid films between bubbles. Nonionic surfactants differ considerably in their ability to create or stabilize such films, and foam behavior depends on surface adsorption dynamics, surface elasticity, concentration, salts, temperature and mixed-surfactant composition. LF 403 is selected for low-foam applications because its effective interfacial balance can make it less foam-stabilizing than many conventional detergency surfactants under suitable conditions.

Foam suppression in a blend is not simply a matter of lowering surface tension. A surfactant introduced into another formulation can alter interfacial film composition and the rates at which foam films drain and rupture. The manufacturer reports that LF 403 can sometimes contribute to defoaming action, especially when paired with particular companion surfactants; those effects should be demonstrated in the actual mixture.

A cleaning solution may also encounter oily deposits, mineral films, suspended particles and hard surface materials. LF 403 is not automatically the main solubilizer of every soil or a replacement for builders, sequestrants, enzymes or solvents. Its measured benefit depends on whether low foaming and interfacial behavior improve the function of those other components.

The product's slow wetting test results and restricted direct water miscibility are reminders that surface tension reduction, wetting rate, foam suppression, hydrotropy, grease removal and detergent cleaning are distinct performance characteristics. They need independent evaluation even when one ingredient contributes to more than one function.

WHICH INDUSTRIES USE PLURAFAC LF 403?

The manufacturer identifies applications in machine dishwashing, hard-surface cleaning, food and beverage processing, food-service and kitchen hygiene, commercial laundry, and institutional cleaning and sanitation. These categories refer to industrial formulation fields in which LF 403 may contribute to a cleaning mixture; they do not imply that the neat raw material is authorized for direct food contact or itself acts as a sanitizer.

Its low-foaming character is especially relevant where pumps, jets, recirculation loops and automated dispensers make excess bubbles undesirable. Such equipment may require fast drainage, stable liquid flow, foam-limited pressure loss and reliable rinsing. Formulators often balance these requirements with other surfactants that supply stronger rapid wetting or oil-removal behavior.

The available public documentation does not establish a universal use concentration for each industry. Any starting formulation must be built around the specific substrate, material compatibility, temperature, alkalinity/acidity, process equipment, required cleaning benchmark and wastewater treatment constraints.

PLURAFAC LF 403 IN AUTOMATIC DISHWASHING

Machine dishwashing is a major application category for low-foam surfactants because recirculated jets expose detergent solution to continual air entrainment and mechanical energy. Persistent foam can interfere with pump operation, spray impact and rinsing. LF 403 can be assessed as part of a surfactant combination designed to minimize those effects.

The ingredient is not a complete dishwasher detergent or a substitute for the alkaline builders, hardness-control agents, water conditioning and other components selected for the particular machine and soil load. Commercial kitchen soils may include fats, proteins, starches and mixed deposits, and each may require a different performance contribution.

In rinse-oriented applications, the formulator should evaluate water sheeting, spotting, foam carryover, wetting and surface compatibility. Because LF 403 is not freely miscible with water, concentrate clarity and dosing behavior deserve particular attention in product development. A pumpable concentrate is not necessarily a stable dilution, and a stable dilution is not automatically low-foaming under the machine's agitation conditions.

Testing should use the actual machine program and relevant water quality rather than relying only on shake-test foam height. The product is a candidate surfactant for a system, not a guaranteed replacement for every existing low-foam ingredient.

PLURAFAC LF 403 IN HARD-SURFACE CLEANING

Institutional and industrial hard-surface cleaning may involve floors, walls, equipment exteriors, worktops, durable coatings and other substrates. Spray application, wiping and machine scrubbing create different requirements for foam, liquid residence time and soil removal. A lower-foaming surfactant can be useful where excess bubbles obscure the surface or interfere with mechanical pickup.

LF 403 may participate in an overall formulation that uses additional wetting surfactants, builders, chelators or solvents to address the target soil. The need for such companions is particularly plausible given LF 403's relatively slow performance in the manufacturer's EN 1772 wetting tests. This does not establish which co-surfactant is optimal for any specific surface.

Compatibility checks should cover painted surfaces, sensitive plastics, elastomeric seals, aluminum, stainless steel and any floor finish that the cleaner will contact. The product's own SDS lists various storage-container materials, but that information does not constitute a compatibility certificate for every cleaned surface under high pH, heat or long exposure.

Assess foam during application and recovery, the appearance of the cleaned surface after drying, residue formation and rinseability. Evaluate operator exposure and slippery-floor risk during concentrate handling, since the product's regional SDS highlights that spills and mixtures with water can make floors slippery.

PLURAFAC LF 403 IN FOOD-SERVICE AND KITCHEN HYGIENE

Food-service and kitchen hygiene products may be designed for recirculated equipment cleaning, mechanical floor care, utensil washing or hard-surface cleaning. The manufacturer's industry listing makes LF 403 relevant to these formulation programs, particularly when unwanted foam obstructs pumps or automated cycles.

The presence of a cleaning surfactant in a kitchen does not make the raw material edible, a food additive, a direct-contact food ingredient or an approved disinfectant. Where a final cleaner contacts food-processing surfaces, manufacturers must establish its intended use, necessary rinsing, residues, labeling and compliance under the governing local rules.

Fat-rich residues are common in kitchen equipment, but their removal involves interactions between surfactants, alkalinity, builders, temperature, circulation and soil characteristics. LF 403 should be treated as one ingredient under evaluation rather than as a stand-alone degreaser with guaranteed efficiency.

Validation can include foam behavior in the actual cleaning cycle, soil removal, rinse water appearance, potential residue and recovery after repeated operation. The same program should confirm compatibility with seals, cleaning-machine components and any required downstream sanitizer.

PLURAFAC LF 403 IN FOOD AND BEVERAGE PROCESSING CLEANERS

In beverage and food-processing operations, clean-in-place (CIP) systems frequently circulate cleaning solution through tanks, pipework, spray devices and heat exchangers. Excessive foam may interfere with fluid movement or reliable inspection, which creates a practical reason to evaluate low-foaming surfactants such as LF 403.

The manufacturer's public product portfolio includes association with acidic CIP cleaner concepts, but this is a formulation application category rather than proof that neat LF 403 is soluble in a particular acidic concentrate. The older 10% compatibility table records no clear solution for LF 403 in 5% hydrochloric acid. If an acidic cleaner is contemplated, compatibility, phase stability and material resistance must therefore be assessed under the actual formulation conditions.

CIP performance depends on flow velocity, turbulence, temperature, exposure time, target deposits and the complete chemical composition. Scale removal, for example, may require an acid component, while fatty or proteinaceous fouling may call for another treatment strategy. LF 403 cannot be presumed to perform those functions by itself.

The manufacturer's application category is not evidence of authorization for direct addition to food or beverages. Finished-product safety, residue management, water treatment considerations and operating instructions must be assessed separately.

PLURAFAC LF 403 IN COMMERCIAL LAUNDRY

Commercial laundry equipment exposes detergent solution to repeated agitation and recirculation, and excess foam can interfere with mechanical action, liquid handling and rinse management. LF 403 may be investigated as a low-foam surfactant component in formulations developed for such equipment.

Laundry performance requires balancing oily soil removal, particulate soil suspension, detergency on textile fibers, rinseability and machine efficiency. One grade's low foam contribution does not establish stain-removal performance across cotton, polyester, mixed fabrics or heavily soiled professional garments.

The formulator should examine compatibility with anionic surfactants, builders, optical brighteners, bleaching components and other ingredients where present. No blanket assurance of compatibility with oxidants, strong acids or strong alkalis can be drawn from general product-family classification, especially because the reviewed regional SDS lists multiple reactive chemical groups under incompatibilities.

Useful comparisons include foam across fill and rinse cycles, textile appearance, soil redeposition, equipment dosing and concentrate stability. The benefit of LF 403 should be measured against a benchmark detergent rather than inferred from a single surface-tension value.

PLURAFAC LF 403 IN INSTITUTIONAL CLEANING AND SANITATION

Institutional cleaning covers a wide range of operations in which mechanical application, frequent dilution or automated dispensing can make foam control desirable. LF 403 is a potential ingredient for suitably engineered detergents and hard-surface cleaners in this segment.

Sanitation as an industry category should not be confused with a biocidal claim. No reviewed product-specific document establishes that LF 403 alone disinfects surfaces, kills pathogens at a specified rate or meets a sanitizer-registration standard. Any antimicrobial claim for a finished product requires the responsible active ingredient, efficacy data and jurisdiction-specific authorization.

For institutional users, concentration-control equipment, safe handling and labeled dilution protocols can be as important as laboratory detergency. LF 403's binary water dilution curve shows why the viscosity encountered during make-up may be different from the viscosity of the delivered liquid.

Cleaner developers should consider whether the required concentrate must be transparent, a stable emulsion or a physically dispersed system, and then verify that its packaging and dosing equipment can handle the selected form.

LOW FOAMING VERSUS DEFOAMING: A PRACTICAL DISTINCTION

A low-foaming surfactant produces little or less persistent foam than a high-foaming alternative under a defined test. A defoamer is added specifically to destabilize foam that already exists or would otherwise persist. Some ingredients can exhibit both properties under certain circumstances, but the labels should not be treated as identical.

The manufacturer's current description says LF 403 can display wetting, low-foaming and even defoaming behavior, and notes particular opportunities in combinations with other surfactants. That statement supports evaluating the product for foam management but does not show a universal defoaming performance percentage or a guaranteed reduction in foam height for all cleaners.

Foam tests must reflect the liquid composition and mechanical method of generation. A cylinder shake test, a recirculation test, a spray washer and a hot dishwasher can rank the same formulations differently. Foam volume immediately after agitation and foam remaining after drainage are separate measurements that should be recorded.

A meaningful performance comparison includes foam in the finished detergent at practical working concentration, in the actual water, at use temperature and with relevant soil loading. Where the task demands rapid wetting in addition to foam control, supplement the evaluation with a separate wetting or spreading test rather than relying on foam measurement alone.

MIXED SURFACTANT SYSTEMS AND FOAM CONTROL

A nonionic surfactant does not act in isolation inside a complex cleaner. Mixed systems can change micellar structure, interfacial film composition, dynamic adsorption behavior and the appearance of dilutions. LF 403's manufacturer highlights its value in blends with selected companion surfactants, but does not establish a universal ratio for every possible combination.

Anionic surfactants can be valuable cleaning or wetting partners, but some are strong foam stabilizers. Combining them with a low-foaming alkoxylate can change net foam performance in either direction depending on concentration and process conditions. It is therefore necessary to screen candidate combinations rather than to assume that adding LF 403 always decreases foam.

Nonionic compatibility with water hardness does not mean that the entire cleaner is immune to calcium or magnesium ions. Builders, sequestrants, soaps or other constituents may still react with hard water. The effect of LF 403 on cleaning and foam must be evaluated in the real hardness and electrolyte composition of the feed water.

Hydrotropes or solvents may be used where needed to support concentrate stability, but their use can also change clouding, wetting and bubble persistence. A formulation should be judged as a whole and not optimized against a single raw material property.

TEMPERATURE, SALTS AND WATER HARDNESS

Temperature influences alkoxylate hydration, viscosity, phase behavior and foam persistence. The manufacturer’s historical measurements show LF 403 viscosity of approximately 250 mPa·s at 0 °C, 120 mPa·s at 10 °C and 60 mPa·s at 23 °C for the undiluted commercial grade. This illustrates why pumpability and transfer conditions require consideration during cold storage.

The cloud-point methods additionally demonstrate the influence of solvent composition. Different test media give approximately 51 °C and 41 °C for LF 403, so changing electrolyte or cosolvent environments in a real cleaner can also change clarity and phase behavior. The exact shift in a given formula cannot be deduced from these two reference values alone.

A 10% clear-solubility screen found LF 403 insoluble under the standard 5% caustic soda, 5% hydrochloric acid and 5% salt solution tests. These findings should prompt focused screening in strongly formulated cleaners, not an unsupported claim of blanket chemical incompatibility with all alkaline or acid products.

Wet cleaning systems may operate from cool room conditions to substantially warmer circulation temperatures. Since the historical wetting test remained above 300 seconds at 70 °C at the stated concentrations, increased temperature alone should not be promised as a way to transform LF 403 into a rapid-wetting additive. The complete formula may still behave differently.

INDUSTRIAL APPLICATIONS AND PERFORMANCE EVALUATION

The practical value of LF 403 is best assessed as a balance of foam control, physical compatibility and cleaning performance. A test program can evaluate the undiluted ingredient, its behavior in a proposed concentrate and the stability and function of working dilutions separately.

For recirculation systems, examine pump delivery, aeration, spray quality, foam formation, foam collapse and cleaning consistency. For hard-surface applications, assess spreading and wetting on the actual material. For laundry, compare foam and soil-removal outcomes across wash and rinse stages. None of these outcomes can be predicted reliably from the manufacturer's representative surface-tension measurement alone.

Use a suitable reference formulation and include the same water hardness, operating temperature, agitation and soil load when comparing candidates. Significant differences in formula clarity, viscosity or phase stability are meaningful results even when the immediate foam test is favorable.

The product is a potentially useful engineering tool when conventional high-foaming surfactant systems are operationally unsuitable. Whether this creates a cost or performance advantage depends on raw material prices, overall dose, companion ingredients, plant compatibility and customer validation.

WHAT PROBLEMS CAN PLURAFAC LF 403 HELP ADDRESS?

LF 403 may help formulate systems in which foam is excessive during recirculation, spray cleaning or automatic machine washing. The manufacturer describes low foam and possible foam-reducing action in suitable mixtures, making these problems appropriate targets for screening.

The grade can be relevant when the formulator wants a low-foam ingredient that still has an amphiphilic contribution, rather than substituting an inert diluent. However, its role in preventing persistent bubbles should not be represented as proof that it independently disperses every soil, stabilizes every emulsion or achieves rapid wetting under all circumstances.

Some production problems may instead arise from difficult water compatibility, unexpected dilution viscosity or unsuitable concentrate formulation. These issues cannot be solved solely by choosing a product labeled low foaming; LF 403 itself can show restricted water solubility and a pronounced dilution-viscosity peak.

Formulators should define the problem as measurable outcomes, such as foam volume after defined agitation, pump cavitation incidence, rinsing performance, solution clarity or viscosity at the intended dilution. Success criteria then guide the selection and dosage of all ingredients.

IMPORTANT CONSIDERATIONS WHEN USING PLURAFAC LF 403

The strongest limitation in the published product-specific data is restricted direct miscibility with water. A formulator seeking a clear aqueous liquid should not treat the grade as freely water soluble, and should not confuse a fine dispersion with a stable one-phase product. This issue is especially relevant to concentrates intended for automated dispensing.

The second limitation is that low surface tension does not equal fast standardized wetting. LF 403 shows wetting values exceeding 300 seconds in the reported EN 1772 tests. Where a cleaner requires rapid wetting, supplementary surfactants or a different primary surfactant may be necessary.

A third consideration is process viscosity: historical manufacturer data show a peak near intermediate dilution. Mixing equipment and addition strategy should therefore be tested with the actual intended concentrate rather than extrapolated from the neat-liquid viscosity.

The regional SDS reports skin irritation and aquatic hazards and requires environmental controls, appropriate gloves and eye protection where splashes are possible. 'Low foaming' does not mean nonhazardous, nonirritating, drain-safe or automatically suitable for personal care use.

The fifth consideration is grade identity. Another Plurafac LF number can differ in viscosity, cloud point, water behavior and surface activity; substitute only after verifying the actual grade and reformulating where necessary.

STARTING FORMULATION APPROACHES AND DEVELOPMENT TESTS

A useful development approach begins by defining the finished cleaner's physical form, use dilution, operating temperature, target soils and maximum tolerable foam. These requirements determine whether LF 403 should serve as a central surfactant, a minor foam-modifying ingredient or be excluded in favor of a more water-compatible alternative.

In aqueous concentrates, bench-scale studies can compare LF 403 alone with candidate combinations containing other surfactants and, where justified, solubilizers or hydrotropes. Evaluate appearance immediately after manufacture and after holding at relevant temperatures. Also test the actual use dilution, since clarity, viscosity and foam can change substantially with dilution.

The manufacturer's family information recommends introducing surfactant into water during aqueous solution preparation to limit difficult viscosity behavior. This advice should be applied with appropriate engineering evaluation and the current SDS; it is not a complete safe-manufacturing instruction for products containing strong acids, alkalis, oxidants or reactive additives.

For machine cleaners, record foam under realistic mechanical conditions and quantify any effect on wash performance, rinse quality, equipment operation and residual films. For other substrates, include separate wetting and soil-removal measurements. A favorable shake test alone is insufficient evidence for commercial adoption.

The reviewed public documents do not verify a universal LF 403 formulation percentage, required mixing time, essential ratio to another surfactant or temperature program. Providing such numbers as if they were validated formulas would be misleading. Any proposed formula must be substantiated with application-specific testing and applicable safety assessments.

SIMILAR PRODUCTS AND ALTERNATIVES

Other members of the low-foaming nonionic fatty alcohol alkoxylate family are the most obvious comparison group. They can share the general purpose of controlling foam but may differ greatly in water miscibility, cloud-point test response, concentration, cold-temperature behavior and viscosity during dilution. Similar trade names do not establish chemical or practical equivalence.

More readily water-soluble nonionic surfactants may be preferable when a transparent aqueous concentrate is mandatory. They can nevertheless have very different foam behavior, which is a critical trade-off in machine washing or pumped systems. Conversely, stronger foam suppressors may reduce bubbles but contribute less to wetting and detergency or require specialized dispersion.

Anionic surfactants, hydrotropes and other functional ingredients can complement LF 403, but their interactions require testing. A replacement decision should consider not only initial foam but also cleaning efficacy, temperature response, hardness tolerance, concentrate clarity, ingredient availability and environmental profile.

When evaluating substitute grades, compare the exact test methods used to generate advertised numbers. A cloud point measured by EN 1890 Method E should not be ranked directly against another product's Method A result, and density or viscosity measurements at different temperatures should not be compared without qualification.

INITIAL FORMULATION APPROACHES FOR PLURAFAC LF 403

The following examples illustrate how PLURAFAC LF 403 may be assessed during formulation and process development. According to the manufacturer's product description, PLURAFAC LF 403 is a liquid, low-foaming, nonionic fatty alcohol alkoxylate surfactant. The key functions associated with PLURAFAC LF 403 include controlling foam, improving wetting under appropriate conditions and, in selected surfactant blends, reducing unwanted foam. Potential application areas include automatic dishwashing, hard-surface cleaning, food and beverage plant cleaning and commercial laundry.

These examples are starting points for laboratory screening, not validated commercial formulas, manufacturing instructions or finished products with established regulatory compliance. Unless otherwise specified, all ingredient percentages are by weight (% w/w). The actual performance of PLURAFAC LF 403 depends on the supplied grade, other raw materials, water quality, temperature, pH, dosage and operating conditions. Consult the current manufacturer technical data sheet and safety data sheet before preparing any test formulation.

PLURAFAC LF 403 should not be assumed to remain clear or fully compatible in every aqueous or electrolyte-containing mixture. Examine cloudiness, phase stability, viscosity, dynamic foam, surface compatibility and storage behavior. In each example below, the concentration of PLURAFAC LF 403 is varied while the remaining ingredients and operating conditions are kept constant.

EXAMPLE 1: PLURAFAC LF 403 CONCENTRATION SCREENING IN A LOW-FOAM AUTOMATIC DISHWASHING RINSE AID

Objective: Examine the effect of PLURAFAC LF 403 concentration on dynamic foam, wetting, water drainage, spotting and drying performance in an automatic dishwashing rinse-aid formulation.

Initial screening composition (finished laboratory test formulation, % w/w):

PLURAFAC LF 403: approximately 2.00%, 4.00% and 6.00% in separate trials.

Sodium cumene sulfonate solution, or a compatible hydrotrope: approximately 2.50% as supplied, held constant.

Propylene glycol: approximately 2.00%, held constant.

Citric acid: approximately 0.20% as a preliminary starting level; verify the resulting pH.

Demineralized water: quantity sufficient to 100%.

Final-rinse temperature, rinse-aid dosage, water hardness, glassware type and drying conditions: held constant.

The proposed concentrations provide a comparison range rather than a recommendation for commercial dosing. Hydrotrope demand and the aqueous appearance of PLURAFAC LF 403 must be checked experimentally, particularly at elevated rinse temperatures and during low-temperature storage.

Application approach:

1. Place most of the demineralized water into a clean, chemically compatible laboratory vessel and start gentle mixing.

2. Add the sodium cumene sulfonate solution or the selected hydrotrope, followed by propylene glycol, and mix until uniform.

3. Introduce the preweighed PLURAFAC LF 403 slowly, minimizing air entrainment and observing any change in turbidity.

4. Dissolve the citric acid separately in a small quantity of water, add it gradually, then complete each batch to 100% with water.

5. Measure pH, appearance, viscosity, foam and phase stability at the intended storage and rinse-use temperatures.

6. Dose equal quantities of the three PLURAFAC LF 403 rinse-aid samples into identical automatic dishwashing rinse cycles.

7. Compare spray and pump foam, water sheeting, droplet retention, spotting, film formation and drying time on standardized glass and ceramic items.

8. Select the PLURAFAC LF 403 level offering the best balance of foam control and rinse performance, then repeat the tests using hard water and realistic operating conditions.

A rinse aid must be evaluated for machine compatibility and for the regulatory requirements that apply to surfaces subsequently contacting food. Use protective equipment appropriate to the ingredients, prevent eye contact and avoid assuming that a laboratory rinse-aid test is a validated commercial product.

EXAMPLE 2: PLURAFAC LF 403 SCREENING IN AN ACIDIC CLEANING-IN-PLACE (CIP) SOLUTION

Objective: Assess how PLURAFAC LF 403 affects foam management, surface contact, mineral-residue removal and rinsing in a mildly acidic recirculating cleaning-in-place (CIP) solution for compatible stainless-steel processing equipment.

Initial screening composition (laboratory working solution, % w/w):

PLURAFAC LF 403: approximately 0.10%, 0.30% and 0.60% in separate trials.

Citric acid monohydrate: approximately 2.00%, held constant.

Sodium gluconate: approximately 0.20%, held constant.

Sodium xylene sulfonate solution or another acid-compatible hydrotrope: approximately 0.80% as supplied, held constant.

Demineralized water: quantity sufficient to 100%.

Circulation temperature: approximately 30–50 °C as an initial laboratory screening window, held constant within each comparison.

Circulation rate, scale loading, treatment time and rinse volume: held constant.

These are preliminary working-bath concentrations, not specifications for an industrial CIP plant. PLURAFAC LF 403 compatibility, acid concentration, wetted components and temperature limits must be reviewed against the actual equipment, elastomers and soil chemistry. An acidic wash is not a substitute for an alkaline precleaning step when the process requires one.

Application approach:

1. Charge a clean, acid-compatible laboratory circulation vessel with most of the demineralized water.

2. Dissolve sodium gluconate and the selected acid-compatible hydrotrope under controlled stirring.

3. Add the required amount of PLURAFAC LF 403 slowly and assess dispersion or visible phase changes.

4. Add citric acid monohydrate gradually to the water-based mixture, ensuring complete dissolution; top up with water to 100%.

5. Record solution pH, appearance, temperature-dependent stability and baseline foam at a fixed circulation rate.

6. Circulate each PLURAFAC LF 403 solution over standardized, compatible stainless-steel coupons containing a reproducible mineral deposit.

7. Measure deposit removal where practical, inspect the surface, document dynamic foam and evaluate rinse-water quality and residual cleaner.

8. Repeat the trials at a consistent higher deposit loading or a second controlled temperature to establish the most stable, low-foam PLURAFAC LF 403 operating range.

Acidic CIP mixtures can irritate eyes and skin and may attack incompatible metals or seals. Never combine these test solutions with hypochlorite or chlorine-based products. Provide ventilation, suitable eye/hand protection, controlled chemical handling and compliant wastewater treatment. Cleaning performance must not be represented as verified disinfection or food-processing sanitation efficacy.

EXAMPLE 3: PLURAFAC LF 403 FOAM-CONTROL EVALUATION IN A COMMERCIAL LAUNDRY LIQUID DETERGENT

Objective: Investigate whether PLURAFAC LF 403 can moderate foam while maintaining fabric soil removal and rinsability in an alkaline commercial laundry formulation containing an alkyl polyglucoside (APG) co-surfactant.

Initial screening composition (finished laboratory test detergent, % w/w):

PLURAFAC LF 403: approximately 0.50%, 1.00% and 1.50% in separate trials.

Alkyl polyglucoside (APG) aqueous surfactant solution: approximately 1.50% as supplied, held constant.

Sodium carbonate: approximately 3.00%, held constant.

Trisodium citrate dihydrate: approximately 2.00%, held constant.

Sodium gluconate: approximately 0.40%, held constant.

Sodium xylene sulfonate solution or another compatible hydrotrope: approximately 1.00% as supplied, held constant.

Demineralized water: quantity sufficient to 100%.

Fabric load, detergent dosage, water hardness, wash temperature, agitation and cycle length: held constant.

PLURAFAC LF 403 has been described by the manufacturer as useful for foam control in certain blends with other surfactants. Nevertheless, the extent of foam reduction in this particular APG formulation must be measured; no fixed synergy or commercial washing performance is guaranteed.

Application approach:

1. Add most of the demineralized water to a clean mixing vessel under moderate stirring.

2. Dissolve sodium citrate, sodium gluconate and sodium carbonate sequentially, checking for undissolved material.

3. Introduce the hydrotrope and the measured APG solution while minimizing air incorporation.

4. Add PLURAFAC LF 403 at the specified screening level, then adjust each batch to 100% with demineralized water.

5. Measure pH, viscosity, appearance, low- and high-temperature stability and foam generation under standardized agitation.

6. Wash identical fabric swatches with controlled sebum/oil and particulate soils using equal detergent dosages and the same commercial laundry cycle.

7. Compare soil-removal performance, wash-stage foam, mechanical circulation behavior, rinse foam, fabric residue and visible changes in color or handle.

8. Select the PLURAFAC LF 403 concentration that provides acceptable cleaning and controlled foam, followed by storage, fabric-compatibility and repeated-cycle assessments.

Alkaline detergent mixtures may irritate or damage skin and eyes. Appropriate gloves, eye protection and ventilation should be provided. Confirm the surfactant blend's storage stability, textile compatibility, wastewater requirements, labeling and intended-use regulations before any larger-scale preparation.
QUALITY CONTROL AND PURCHASING CRITERIA

Correct product identity is the first purchasing requirement. Request PLURAFAC LF 403 by the full commercial name and, where practical, product reference 30044016. Confirm that the supplied material corresponds to the requested grade and is accompanied by current technical and safety documentation relevant to the delivery region.

A technical data sheet (TDS) supplies representative properties and sometimes specification limits. A safety data sheet (SDS) describes regulatory hazards, exposure controls, first aid, storage and transport; it is not a laboratory assay. A certificate of analysis (COA) is normally batch-specific and should be checked against the actual contractual specification. Their respective purposes should not be conflated.

Relevant quality characteristics can include appearance, odor, active content or concentration, water content, acidity or pH, viscosity, color and other agreed parameters. The reviewed historical family literature supplies some typical values but does not independently establish that every such parameter is a current guaranteed acceptance criterion for LF 403.

For process-sensitive applications, buyers can request confirmation of required physical state, packaging compatibility, appropriate shelf-life statements and any additional test documentation. Do not assume the exact drum size, country of origin, certificates, available stock or delivery schedule without a supplier quotation.

Where a food-processing or environmentally labeled cleaner is involved, request the documentation needed for the specific use and jurisdiction. The existence of an eco-label evaluation statement or biodegradability remark should not be turned into a claim that all formulations containing this ingredient are certified.

REGULATORY AND APPLICATION-SPECIFIC CONSIDERATIONS

The manufacturer's product information identifies LF 403 for several cleaning-industry application categories. That listing does not, on its own, establish permission for direct food addition, pharmaceutical use, cosmetic preservation, medical applications or antimicrobial claims. No INCI name or E-number is established here for the exact commercial grade.

The February 2018 United States SDS states that the surfactant meets the biodegradability criteria cited under the European detergents framework, and describes it as readily biodegradable under relevant OECD criteria. This is meaningful evidence concerning the assessed material, but it does not mean the product is harmless to aquatic life, and it does not certify every downstream mixture.

For environmentally labeled formulations, the manufacturer provides certain suitability or assessment-related statements through its product portal. Such statements must be checked against the specific program, version, formulation and required records. An ingredient's suitability for evaluation is not identical to a certified finished product.

Classification is regional and may be updated. The hazards and transport classification in the reviewed February 2018 SDS are useful historical references, but local regulatory decisions must rely on the current SDS accompanying the actual shipment. Buyers should verify occupational exposure procedures and wastewater management in their jurisdiction.

Where the product is intended to clean food-contact equipment, separate cleaning-product authorization, rinse requirements, residues and facility hygiene protocols from raw-material supplier claims. Surface compatibility and final-use safety should be validated in the finished formulation.

FIRST AID

Inhalation: If Plurafac LF 403 aerosol or vapor is inhaled and discomfort occurs, move the affected person to fresh air and seek medical advice. Inhalation risk depends on the process; avoid exposing workers to mists created by spraying or other mechanical operations.

Skin Contact: Remove contaminated clothing and thoroughly wash Plurafac LF 403 from the skin with soap and water. The reviewed SDS classifies this grade as a skin irritant and recommends medical attention; obtain advice if irritation, pain or other symptoms occur.

Eye Contact: If Plurafac LF 403 contacts the eyes, immediately rinse gently under running water for at least 15 minutes while holding the eyelids open, and seek medical advice if irritation occurs or persists. Remove contact lenses if present and easy to do, then continue rinsing. The current local SDS and workplace first-aid procedures should take precedence.

Ingestion: If Plurafac LF 403 is swallowed, rinse the mouth and promptly obtain medical advice or contact a poison information service. Do not induce vomiting unless specifically directed by qualified medical personnel; do not give liquids to someone who is unconscious or unable to swallow.

Note to Physicians: No specific antidote for Plurafac LF 403 is identified in the reviewed SDS, which recommends supportive and symptomatic treatment. Provide the label and current SDS to medical professionals and describe the exposure route, amount if known and symptoms.

HANDLING AND STORAGE

Handling: Handle Plurafac LF 403 using established chemical hygiene procedures and avoid skin, eye and aerosol exposure. The reviewed SDS highlights that spilled liquid, particularly in contact with water, can create a slipping hazard. Use practices that minimize splashes, mist generation and uncontrolled releases.

Engineering Controls: Where Plurafac LF 403 is transferred or blended, provide suitable ventilation and containment, especially if the process can generate spray or airborne mists. Assess process piping and dispensing equipment for the possible rise in viscosity at intermediate water content.

Personal Protection: For Plurafac LF 403, select chemical-resistant gloves and protective clothing appropriate to the operation; use tightly fitting chemical goggles or a face shield where splashes are possible. PPE choices should follow the current regional SDS, site risk assessment and supplier compatibility information.

Respiratory Protection: If Plurafac LF 403 aerosols may form or ventilation is insufficient, assess the need for a suitable respiratory protection program. The reviewed SDS recommends respiratory protection where exposure controls are inadequate and breathable aerosols occur.

Storage: Store Plurafac LF 403 in tightly closed, appropriately labeled containers in a cool, dry place. The 2018 regional SDS specifically advises protecting the product against moisture uptake and against temperatures above 70 °C, where properties may change irreversibly. Its statement that frost itself does not damage the product does not mean that cold material is always immediately pumpable.

Temperature Management: The 2013 manufacturer family information notes that cold or cloudy material may require controlled warming before processing, with precautions to avoid localized overheating. These are historical handling recommendations, not instructions to heat every drum; confirm current grade-specific limits and use suitable engineered equipment rather than improvised internal heaters.

Container Compatibility: The reviewed regional SDS lists several potential container materials for Plurafac LF 403, including HDPE, LDPE, certain steels, aluminum and glass. Exact packaging, lining, gaskets and long-term chemical resistance must be verified for the required storage period and process temperature.

Spill Procedures: For Plurafac LF 403 releases, isolate the affected area, use appropriate protective equipment and contain the liquid. The SDS describes absorption of small quantities with suitable binding material and controlled recovery of larger quantities. Prevent entry into drains, sewers, surface water and soil, and dispose of cleanup materials according to local regulations.

Environmental Precautions: Plurafac LF 403 should not be discharged as untreated concentrate into waterways. Even though the reviewed SDS describes biodegradability, it also classifies the material as hazardous to aquatic life and advises containment.

Fire Response: For fires involving Plurafac LF 403, the reviewed SDS lists water spray, dry powder and foam as suitable extinguishing media, and advises against a forceful water jet. Firefighters should use appropriate protective equipment because combustion can produce harmful fumes and carbon oxides.

Waste Disposal: Dispose of Plurafac LF 403 residues and contaminated packaging in accordance with applicable laws and the current SDS. Do not interpret ready biodegradability as permission to discharge concentrated product directly to drains or to mix it indiscriminately with wastewater.

SAFETY, ENVIRONMENTAL AND TRANSPORT INFORMATION

The reviewed February 2018 United States SDS classifies Plurafac LF 403 as Skin Irritation Category 2, Hazardous to the Aquatic Environment Acute Category 1 and Aquatic Chronic Category 3, with associated hazard statements H315, H400 and H412. These are historical regional classifications rather than a substitute for the currently applicable safety data sheet in every country.

The same document describes an approximate flash point of 190 °C by DIN ISO 2592 and describes the liquid as hardly combustible. Those statements should not be replaced by an unsupported generic classification as a highly flammable solvent. Fire and storage precautions still apply, particularly for heated operations or packaging exposed to another fire.

In the historical SDS, the grade is classified for USDOT, IMDG and IATA/ICAO transport as UN 3082, ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (contains fatty alcohol alkoxylate), Class 9, Packing Group III; the sea-transport entry marks it as a marine pollutant. Because special provisions, limited quantities and regional classifications can vary, verify the current shipping document for the exact product and route before preparing a consignment.

Ecotoxicity information in the reviewed SDS includes acute effects on aquatic organisms and a ready-biodegradation assessment. These characteristics can coexist: a biodegradable surfactant can still produce serious short-term aquatic effects at sufficiently high concentrations. Responsible waste handling and prevention of releases remain essential.

The SDS reports that degradation activity in properly run biological wastewater systems is not expected to be inhibited when the material is introduced at suitable low concentrations. That statement is not a discharge authorization, not a guaranteed safe influent limit and not a replacement for approval by wastewater treatment operators.

All personnel handling the raw material should be familiar with the current local SDS, the correct label, spill-response arrangements, occupational hygiene and environmental controls. Where supplied into the European market or other regulated jurisdictions, inventory obligations and downstream use restrictions must be checked separately from the manufacturer's general application descriptions.

FREQUENTLY ASKED QUESTIONS ABOUT PLURAFAC LF 403

What is Plurafac LF 403?
It is a liquid low-foaming nonionic fatty alcohol alkoxylate used mainly as a surfactant component in formulated cleaning products.

Is Plurafac LF 403 a single pure chemical?
No. The commercial grade belongs to an alkoxylated fatty alcohol family and is not adequately described by one unique molecular formula or molecular weight.

What is the CAS number associated with Plurafac LF 403?
The manufacturer product finder associates the commercial grade with CAS 120313-48-6.

What manufacturer product number identifies Plurafac LF 403?
Product reference 30044016 identifies the grade in the published product finder and historical family technical document.

Is there a verified EC number for the exact grade?
An unequivocal EC/EINECS number was not established from the public manufacturer documents reviewed; confirm regulatory identifiers through the current regional SDS.

What does LF 403 mean chemically?
It is a commercial grade designation within a low-foaming surfactant family, not a molecular formula or a statement of the exact number of alkylene oxide units.

Which surfactant class does Plurafac LF 403 belong to?
It belongs to the nonionic fatty alcohol alkoxylate class.

Does Plurafac LF 403 contain ethoxylated and propoxylated chemistry?
The reviewed regional SDS describes the chemical family as ethoxylated and propoxylated fatty alcohols; it does not disclose the exact molecular sequence.

What is the typical physical form?
The historical manufacturer technical data identify the product as a liquid at 23 °C.

What is the typical appearance?
A February 2018 regional SDS describes a colorless to yellowish liquid.

What is the typical active concentration?
The 2013 manufacturer family document describes the delivered grade as approximately 100% concentration, not as a single-component purity guarantee.

What is the density at 23 °C?
The 2013 family technical document reports approximately 0.95 g/cm3 by DIN 51757.

Why does another source list density at 0.94 g/cm3?
A 2018 regional SDS states approximately 0.94 g/cm3 at 20 °C; the figures have different stated test temperatures and document dates.

What is the dynamic viscosity at 23 °C?
Approximately 60 mPa·s, as reported in the historical technical document under EN 12092/Brookfield LVT.

How does viscosity change at 10 °C?
The manufacturer reports approximately 120 mPa·s for the undiluted grade at 10 °C.

How viscous is the undiluted product at 0 °C?
A historical representative value is approximately 250 mPa·s at 0 °C.

What is the setting point?
Approximately -25 °C by DIN 51583 in the manufacturer historical technical document.

Does freezing necessarily destroy Plurafac LF 403?
The reviewed regional SDS states that frost does not damage the product, although low-temperature clouding or viscosity changes may complicate handling.

What is the boiling point?
The reviewed 2018 SDS reports a boiling point above 250 °C; this is not a fully specified distillation range.

What is the flash point?
Approximately 190 °C by DIN ISO 2592, as reported in the 2018 regional SDS.

Is Plurafac LF 403 highly flammable?
The reviewed SDS describes it as hardly combustible and reports a relatively high flash point; current regional classification must still be checked.

What is the reported vapor pressure?
Less than 0.1 hPa at 20 °C in the reviewed 2018 regional SDS.

What is the pH?
Approximately 7 under EN 1262 solution B; the regional SDS identifies a 50 g/L test concentration at 23 °C.

Can pH change during storage?
The manufacturer's family information notes that pH can decrease during storage without necessarily changing the intended performance.

Does Plurafac LF 403 dissolve in water?
It is not directly miscible with water in the reviewed regional SDS, and a 10% clear-water solubility test is negative in the historical manufacturer table.

Can Plurafac LF 403 form a clear aqueous concentrate?
Potentially only after suitable formulation development; clarity is not assured and may require compatible surfactants, solvents or hydrotropes.

Is Plurafac LF 403 soluble in ethanol?
Yes. Historical 10% solubility data at 23 °C record a clear solution in ethanol.

Is Plurafac LF 403 soluble in isopropanol?
Yes. The historical 10% screening data record clear solubility in isopropanol.

Is Plurafac LF 403 soluble in mineral spirits?
Historical 10% test data indicate clear solubility in mineral spirit; actual solvent systems still require confirmation.

What is the reported surface tension?
Approximately 30 mN/m at 1 g/L in distilled water and 23 °C by EN 14370 with the stated correction.

Does a surface tension of 30 mN/m mean fast wetting?
No. Surface tension and dynamic wetting are different properties, and LF 403 shows relatively slow results in the cited standardized wetting tests.

What are its standardized wetting times at 23 °C?
The 2013 EN 1772 table reports greater than 300 seconds at 0.5, 1 and 2 g/L surfactant with 2 g/L soda ash in distilled water.

Does increased temperature automatically improve its wetting rate?
No. Under the historical 70 °C standardized test, wetting was also reported as greater than 300 seconds at the listed concentrations.

What is the cloud point in Method D?
Approximately 51 °C by EN 1890 Method D in a defined butyldiglycol-containing test solution.

What is the cloud point in Method E?
Approximately 41 °C by EN 1890 Method E in a different butyldiglycol-containing test solution.

Is 41 °C its cloud point in pure water?
No. The 41 °C figure applies to EN 1890 Method E; a Method A value in pure water was not reported for LF 403 in the reviewed historical table.

Why are Methods D and E different?
The two test solutions contain different quantities of a defined butyldiglycol medium, changing solvent composition and the observed clouding behavior.

What is the water number?
The 2013 manufacturer table lists approximately 13 mL by EN 12836; this is a standardized test value, not a solubility percentage.

Does it have a known HLB?
A verified numerical HLB for this specific grade was not established from the reviewed authoritative public documents.

What causes the low-foaming behavior?
The balance between hydrophobic fatty-alcohol regions and hydrated alkoxylate portions affects foam-film behavior; actual foam results depend on the whole formulation.

Is low foaming the same as defoaming?
No. Low-foaming ingredients limit the amount of foam they generate, whereas defoamers destabilize existing foam; LF 403 can show foam-reducing effects in certain blends.

Can Plurafac LF 403 always eliminate foam?
No. The manufacturer highlights possible defoaming action in suitable systems, not a universal guarantee across all surfactant packages and conditions.

Why is Plurafac LF 403 considered for machine dishwashing?
Automatic washing produces strong mechanical agitation, and a low-foam ingredient can help developers balance cleaning with reliable spray and pump operation.

Is Plurafac LF 403 a complete automatic dishwasher detergent?
No. It is a surfactant ingredient; a finished product typically requires additional components matched to the process and soil.

Can Plurafac LF 403 be used in commercial laundry?
The manufacturer lists commercial laundry as an application category, subject to formulation and performance evaluation.

Is Plurafac LF 403 suitable for hard-surface cleaners?
It is a candidate ingredient for certain formulated hard-surface cleaners, especially when foam control matters; surface and formulation compatibility must be tested.

Is it useful in food-service cleaning?
The manufacturer lists food-service and kitchen hygiene applications, but this does not imply the raw material is approved for ingestion or direct food addition.

Can Plurafac LF 403 be used in food-processing CIP cleaning?
It may be evaluated in appropriate formulated CIP cleaners; concentrate solubility, residue control and process-specific compliance must be demonstrated.

Does Plurafac LF 403 work in acidic CIP products?
It is associated with acidic CIP formulation concepts, but the historical data do not show clear solubility in a 5% hydrochloric-acid test, so real-formula compatibility is essential.

Can it be used in highly alkaline cleaners?
Compatibility cannot be assumed; the historical 10% test is negative for clarity in 5% caustic soda and the regional SDS lists reactive incompatibilities.

Is Plurafac LF 403 a sanitizer or disinfectant?
No product-specific antimicrobial efficacy or sanitizer authorization was established in the reviewed documentation.

Can it remove grease by itself?
Its amphiphilic nature may support cleaning systems, but grease removal depends on the full detergent package and is not quantified here for LF 403 alone.

Can it prevent foam in recirculation lines?
It is a reasonable ingredient to screen for this purpose because the manufacturer emphasizes low foam, but an actual recirculation test is needed.

Does Plurafac LF 403 perform the same way as LF 224?
No equivalence should be assumed; different grades may differ in water behavior, viscosity, foam control and operating characteristics.

Is Plurafac LF 403 compatible with anionic surfactants?
Some mixed systems may be useful, but blend behavior must be tested for foam, physical stability, cleaning efficacy and storage compatibility.

Can it be used with solvents?
Historical tests show compatibility with selected alcohols and hydrocarbon solvents; each proposed formulation requires its own chemical and safety evaluation.

Does adding water always lower viscosity?
No. The manufacturer's historical binary mixture data show viscosity rising to approximately 500 mPa·s at 50% added water before falling at higher water contents.

What viscosity is listed at 30% added water?
Approximately 310 mPa·s at 23 °C in the historical Brookfield LVT binary-mixture test.

What viscosity is listed at 50% added water?
Approximately 500 mPa·s at 23 °C in the historical binary mixture data.

Does low final viscosity ensure a clear mixture?
No. A low-viscosity dispersion or phase-separated mixture can still be cloudy or unstable, so clarity and storage behavior must be checked separately.

How should water dilution be approached?
The manufacturer advises introducing the surfactant into water with stirring, while actual manufacturing procedures must be validated for the complete formula and site conditions.

What makes LF 403 attractive for automatic equipment?
Its low-foam orientation can reduce interference from persistent bubbles in suitably formulated and tested recirculating or spraying systems.

What is the main formulation limitation?
Its limited direct water miscibility, combined with potential viscosity increases during dilution, deserves early attention in concentrate design.

How should foam performance be measured?
Test the finished formulation at realistic temperature, hardness, soil load and mechanical agitation, not just the neat ingredient.

How should wetting performance be evaluated?
Use a method relevant to the target surface and compare it with a benchmark cleaner; the historical EN 1772 values are a useful but limited reference.

Does LF 403 resist all hard-water effects?
Nonionic chemistry can be useful in some water conditions, but the whole detergent formulation may still be affected by hardness ions.

Is Plurafac LF 403 readily biodegradable?
The reviewed 2018 SDS reports ready biodegradability under OECD-related criteria; this does not remove the need for environmental release controls.

Is it harmless to fish and aquatic organisms?
No. The historical SDS includes acute and chronic aquatic hazard classifications, so concentrated releases should be prevented.

Is Plurafac LF 403 safe for discharge into drains?
No general discharge authorization is established; follow applicable wastewater rules and current SDS guidance.

Does it irritate the skin?
The February 2018 regional SDS classifies it as a Skin Irritation Category 2 product.

What should be done after eye exposure?
Rinse under running water for at least 15 minutes with eyelids open and obtain medical advice as appropriate, following the current SDS and site procedures.

What should be done after skin contact?
Remove contaminated clothing, wash with soap and water and seek medical attention if irritation develops or the current SDS directs.

Should vomiting be induced after ingestion?
No. Do not induce vomiting unless qualified medical personnel specifically instruct it; seek prompt medical advice.

Is the product slippery when spilled?
Yes. The reviewed regional SDS warns that spills, including surfaces wetted with water, can create a significant slip hazard.

How should it be stored?
Keep in sealed, labeled containers in a cool, dry area protected against moisture and excessive heat, following current product-specific instructions.

What maximum temperature is noted in the 2018 SDS?
The regional SDS advises protection above 70 °C because the product properties may change irreversibly beyond that temperature.

Does the manufacturer give a shelf-life statement?
The historical family literature states at least two years in sealed original packaging under appropriate storage; confirm current grade-specific terms before applying this figure.

Can it be stored in HDPE?
HDPE is among container materials identified in the reviewed regional SDS, but the complete packaging system still needs qualification.

Is there an exact UN shipping number?
The February 2018 US SDS assigns UN 3082; confirm current regional transport classification, shipment size and any applicable exceptions.

What is its historical transport class?
The reviewed 2018 USDOT, IMDG and IATA/ICAO entries assign Class 9, Packing Group III for UN 3082.

Is it classified as a marine pollutant?
The historical IMDG entry in the reviewed regional SDS indicates marine pollutant: yes; verify current transport documentation.

What paperwork should buyers request?
Request the current TDS, applicable regional SDS and batch COA, along with any relevant regulatory declarations required by the intended use.

What does a TDS provide?
It explains representative product properties and technical context; historical figures are not automatically binding limits.

What does a COA provide?
It reports batch-specific measured or controlled characteristics against the agreed product specification.

What does an SDS provide?
It communicates hazards, first aid, exposure controls, storage and transport information under the applicable jurisdiction.

Is it approved as a food additive?
No such approval was established, and a listing for food-industry cleaning does not make the ingredient edible.

Can it be called food grade?
Not on the basis of the reviewed documents; any food-related grade designation requires specific proof and application-context assessment.

Is it suitable for cosmetic use?
Cosmetic suitability and an official INCI designation were not established for this commercial grade; do not infer them from the generic surfactant family.

Is it permitted for pharmaceutical use?
No pharmaceutical-grade claim is established by the reviewed industrial product documentation.

Can it replace all silicone antifoams?
No. Silicone and non-silicone foam-control ingredients have different mechanisms and compatibility characteristics; comparison requires formulation and process testing.

Does Plurafac LF 403 contain an exact known amount of water?
The representative 2013 table states about 100% concentration but does not provide a grade-specific water assay value in that table; request current specifications if critical.

Is the published surface tension a product specification?
It is a representative historical test result under stated concentration and temperature, not automatically a contractual batch limit.

Can Plurafac LF 403 simplify a low-foam detergent formulation?
Potentially, if it delivers the targeted foam-control role within a compatible system, but the outcome depends on all ingredients and process requirements.

What is the most reliable way to select an alternative grade?
Compare official technical data measured under matching conditions and validate foam, clarity, wetting, cleaning and storage behavior in the finished formula.

How can a buyer discuss an intended use with Ataman Kimya?
Provide the application, expected operating conditions, packaging and quantity requirements, and ask for available technical documents, grade suitability information and a quotation.

TECHNICAL SUMMARY

Plurafac LF 403 is an approximately 100%-concentration liquid fatty alcohol alkoxylate used as a low-foaming nonionic surfactant in formulated industrial and institutional cleaners. Current manufacturer application descriptions include machine dishwashing, hard-surface cleaning, commercial laundry, institutional cleaning and cleaning operations associated with food-service and beverage processing.

Representative historical product figures include 60 mPa·s dynamic viscosity at 23 °C, 0.95 g/cm3 density at 23 °C, a -25 °C setting point, 30 mN/m surface tension under a defined test, and cloud points of 51 °C and 41 °C in distinct EN 1890 butyldiglycol test systems. Plurafac LF 403 is not freely miscible with water in the reviewed tests, and the manufacturer's standardized wetting results are greater than 300 seconds under the specified EN 1772 conditions.

These characteristics suggest that Plurafac LF 403 is particularly relevant to carefully designed foam-management systems rather than to applications demanding unrestricted water solubility or universally rapid wetting. The product's dilution-viscosity peak, historical aquatic hazard classification and handling requirements make realistic formulation testing and current SDS review essential before use.

The numerical values summarized here are representative historical manufacturer or regional SDS data, not a substitute for the current supply specification, legal assessment or batch COA.

CONTACT ATAMAN KIMYA

For technical inquiries about Plurafac LF 403, customers may contact Ataman Kimya to discuss the intended cleaning application, surfactant requirements, foam-control objectives, formulation constraints and the need for an appropriate commercial grade. Where available, current technical documentation, regional safety data, suitable packaging options and batch-specific purchasing requirements can be discussed prior to a quotation.

Please provide the intended use, process temperature, water quality, expected order quantity, destination market and any required documentation when making an inquiry. Product availability, grade suitability, certificates, packaging and delivery terms should be confirmed directly rather than assumed from general product information.

Ataman Chemicals
Phone: +90 216 577 10 10
Email: info@atamankimya.com