ARADUR 38-1

ARADUR 38-1 is a high-solids waterborne polyamine-adduct epoxy curing agent developed for water-dilutable, solvent-free and high-solids two-component epoxy coatings where excellent adhesion, good flow and high-gloss film formation are required. The commercial product is supplied as a concentrated aqueous hardener and is especially suited to compatible liquid epoxy resins and epoxy dispersions used on metallic and mineral substrates. ARADUR 38-1 contains no organic solvent in the supplied hardener, combines high active-solids content with relatively low hardener demand, and was developed as the nonylphenol-free successor to the earlier ARADUR 38 grade.

PRODUCT IDENTITY

Product name: ARADUR 38-1
Product type: Waterborne epoxy curing agent / hardener
Chemical family: Amines / polyamines
Specific chemistry: Formulated polyamine adduct dissolved in water
Carrier: Water
Physical form: Liquid
Appearance: Clear liquid
Color: Yellow; Gardner color ≤6 in published technical data
Odor: Faint of amine
Solids content: Approximately 79-81% in Huntsman waterborne-curing-agent selector literature
Water content: Approximately 19-21%
Viscosity at 25°C: Current Huntsman enhanced TDS approximately 15-23 Pa·s; earlier technical literature approximately 12-20 Pa·s
Amine value: Approximately 170-210 mg KOH/g
Active hydrogen equivalent weight: Approximately 150 g/eq
Density at 23°C: Approximately 1.1 g/cm³
Flash point: Minimum approximately 100°C, Pensky-Martens closed cup
Reference gel time in Huntsman waterborne-curing-agent selector literature: Approximately 75 minutes
Primary functions: Curing agent, hardener and crosslinker
Primary current end use: Solventless and high-solids coating
Material compatibility: Metal substrate and mineral substrate
Primary current product features: Excellent adhesion and improved flow
Additional film characteristics in Huntsman technical information: Good flow, good adhesion and high-gloss finish
Organic solvent content: No organic solvents in the supplied hardener
Nonylphenol status: Nonylphenol-free; developed to succeed ARADUR 38
Benzyl alcohol: Published Huntsman selector information identifies the grade as benzyl-alcohol-free
Optimum published mix ratio with ARALDITE PY 33757: Approximately 100:85 parts by weight
Optimum published mix ratio with ARALDITE PZ 3961-1: Approximately 100:15 parts by weight
Alternative hardener level: Huntsman notes that use of approximately 80% of the recommended hardener amount can be preferable depending on application and required properties
Practical pot life of dispersion coatings: Typically maximum approximately 1-2 hours, with loss of gloss as the practical limitation
Storage range: Approximately 2-40°C in sealed original packaging
Current shelf-life information on Huntsman product page: Approximately 3 years at recommended storage temperature
CAS Number: Commercial formulated polyamine-adduct mixture; no single CAS number should be assigned to the complete trade grade without the current SDS
EC Number: Commercial mixture; no single EC number should be assigned to the complete trade grade without the current SDS
Molecular Formula: Not applicable to the complete commercial mixture
Molecular Weight: Variable / not applicable as one fixed value

ARADUR 38-1 should be treated as a proprietary waterborne polyamine-adduct curing-agent mixture rather than as one discrete low-molecular-weight compound. The active material contains a distribution of amine-containing structures and is supplied in water, so one fixed molecular formula or molecular weight would not accurately describe the grade. The current product SDS should be used whenever formal component identities, concentration ranges, CAS numbers or hazard classifications are required.

WHAT IS ARADUR 38-1?

ARADUR 38-1 is a reactive amine hardener designed to cure epoxy resins while remaining compatible with water-dilutable coating technology. It allows two-component epoxy coatings to be formulated with high solids and without relying on organic solvent in the hardener component. This combination is particularly valuable in industrial coatings where solvent emissions, worker exposure and application odor must be reduced while retaining the adhesion and chemical durability associated with epoxy chemistry.

The active polyamine adduct reacts with epoxy groups after the resin and hardener components are mixed. Water functions primarily as a physical carrier and processing medium rather than as part of the final thermoset network. During drying and cure, water must leave the film while epoxy-amine crosslinking progresses.
The grade is positioned for application to mineral and metallic substrates. Huntsman specifically describes it as suitable with liquid epoxy resins such as ARALDITE GY 776 and with epoxy-emulsion technology such as PZ 33757/67, while current mix-ratio guidance also provides specific ratios for ARALDITE PY 33757 and ARALDITE PZ 3961-1.
ARADUR 38-1 is especially suited to solvent-free dispersion coatings with high solids. Its high active content reduces the amount of water introduced by the curing agent compared with lower-solids waterborne hardeners, which can support higher film build and reduce the drying burden.

POLYAMINE ADDUCT CHEMISTRY

Polyamine adducts are produced by partially reacting polyamines with suitable reactive materials before final use as epoxy hardeners. This controlled pre-reaction increases molecular weight and changes compatibility, volatility, viscosity and cure behavior compared with the original low-molecular-weight amine.
The resulting adduct retains reactive amine hydrogens that can open epoxy rings during final cure. Pre-adduction can improve compatibility with waterborne resin systems and can reduce some of the volatility and harshness associated with unmodified small amines.
ARADUR 38-1 is specifically formulated so that the active polyamine-adduct phase can be supplied in water at high solids. The exact proprietary molecular distribution is less important to formulation than the published functional parameters such as AHEW, amine value, water content and recommended resin-specific mixing ratios.
The commercial hardener should therefore be treated as a performance polymeric mixture rather than assigned a single molecular identity.

HOW EPOXY CURING WORKS

Epoxy resins contain reactive oxirane rings. Primary and secondary amine hydrogens in ARADUR 38-1 attack these rings and open them, creating new carbon-nitrogen bonds and hydroxyl groups. Because both epoxy resin and hardener contain multiple reactive sites, the molecules connect into a three-dimensional thermoset network.
The mixed coating initially remains fluid, then gradually increases in molecular weight and viscosity. As crosslinking proceeds, the material reaches gelation and loses flow. Chemical conversion continues afterward until the network approaches its final cure state.
Film hardness, chemical resistance, water resistance and adhesion can continue developing after the surface becomes dry to the touch. Early handling properties therefore should not be confused with complete cure.
In a waterborne epoxy, physical drying occurs simultaneously with chemical cure. Water must evaporate while the resin-hardener phases remain sufficiently compatible to form a continuous film. Both processes are essential to final coating performance.

HIGH SOLIDS CONTENT

Huntsman waterborne-curing-agent selector literature identifies ARADUR 38-1 at approximately 79-81% solids in water. This makes it a high-solids waterborne hardener and differentiates it from grades supplied at roughly 50% solids.
High active-solids content means less carrier water must evaporate for each unit of reactive hardener introduced into the coating. This can improve achievable dry-film build, shorten the physical drying burden and reduce the amount of additional water required to obtain the desired stoichiometric cure.
The high-solids design also helps explain Huntsman's statement that ARADUR 38-1 offers an optimum combination of high solids with minimum hardener requirement. The product can deliver substantial reactive functionality without the very high wet-hardener addition associated with highly diluted aqueous grades.
Solids content remains a critical quality-control parameter. A change in concentration alters active hardener delivery, water load, viscosity and drying behavior.

WATER CONTENT

Published technical data specify approximately 19-21% water in ARADUR 38-1. This water is part of the commercial delivery form and must be considered in formulation calculations.
Water lowers viscosity and makes the polyamine adduct processable as an aqueous hardener. During coating application, it contributes to wet-film volume and then evaporates before the coating reaches full service properties.
Excess additional water can slow drying, reduce wet-film solids and increase sag risk. Too little water can make application viscosity too high for spray or roller use. Formulation development should therefore distinguish between water already present in ARADUR 38-1 and extra dilution water added during manufacturing or application.
Water quality also matters. Deionized water is generally preferred in sensitive waterborne formulations because dissolved salts can influence corrosion behavior, dispersion stability and rheology.

VISCOSITY

Current Huntsman enhanced TDS information lists viscosity at approximately 15-23 Pa·s at 25°C, while earlier Huntsman technical data list approximately 12-20 Pa·s. The difference reflects document version and specification evolution, so current product documentation should control incoming inspection.
In either range, ARADUR 38-1 is a relatively viscous concentrated waterborne hardener. The high viscosity is consistent with its high solids and polymeric adduct structure.
Viscosity decreases as temperature rises and increases as the material cools. Quality-control testing should therefore be performed at the specified temperature rather than directly after cold warehouse storage.
The product can be diluted with water to reduce processing viscosity, but dilution behavior requires special attention because turbidity can develop. The formulation should be evaluated after dilution rather than assuming that a clear appearance will always remain.

AMINE VALUE

ARADUR 38-1 has a published amine value of approximately 170-210 mg KOH/g. Amine value is an analytical measure of basic nitrogen functionality expressed as an equivalent amount of potassium hydroxide.
This value is useful for batch consistency and product identification. A substantial shift can indicate composition change, contamination or degradation.
Amine value should not be treated as identical to active-hydrogen equivalent weight. Some nitrogen atoms contribute to titration basicity without supplying reactive hydrogen in the same way as primary or secondary amine sites.
For epoxy stoichiometry, AHEW and validated resin-specific mixing ratios are more directly useful.

ACTIVE HYDROGEN EQUIVALENT WEIGHT

Huntsman selector literature gives ARADUR 38-1 an active-hydrogen equivalent weight of approximately 150 g/eq. AHEW represents the mass of curing agent that supplies one equivalent of reactive amine hydrogen.
The value is relatively low for a waterborne curing agent because ARADUR 38-1 contains a high concentration of active material. This contributes to its low required hardener level compared with more dilute aqueous grades.
AHEW can be used with resin epoxy equivalent weight to estimate a theoretical starting ratio. Published Huntsman mix ratios should nevertheless be preferred where available because resin dispersions and commercial delivery forms can make simple stoichiometric calculations incomplete.
Changing the hardener level affects network structure, flexibility, adhesion, corrosion resistance and residual reactive functionality.

DENSITY

Published Huntsman technical information gives a density of approximately 1.1 g/cm³ at about 23°C. Density is useful for converting between weight and volume during manufacturing and dispensing.
Mix ratios should normally be controlled by mass unless a validated volumetric system has been established. Resin and hardener densities differ, so a weight ratio cannot be converted directly into an equal volume ratio.
Density also provides a secondary quality-control check. A substantial unexpected change can indicate concentration drift or contamination.

FLASH POINT

Huntsman technical information lists a flash point of at least approximately 100°C by Pensky-Martens closed-cup testing. This high flash point is consistent with a waterborne curing agent containing no organic solvent.
High flash point reduces flammability risk compared with xylene- or alcohol-diluted hardeners but does not make the product completely non-combustible. The organic polyamine-adduct fraction can burn or decompose under severe heat.
Fire response should therefore follow the current SDS. Huntsman notes that combustion or disposal in fire can generate carbon monoxide, carbon dioxide, nitrogen oxides and other toxic gases and vapors.

ORGANIC-SOLVENT-FREE CHARACTER

Current Huntsman product information states that ARADUR 38-1 contains no organic solvents. This is one of the grade's principal formulation advantages.
The absence of organic solvent in the hardener allows development of water-dilutable epoxy coatings with reduced VOC and reduced dependence on flammable solvent carriers. The final mixed coating is not automatically zero-VOC because the resin component and additives may still contribute volatile organic material.
VOC status should therefore be assessed for the complete formulation according to the applicable regional method. The hardener itself provides a strong starting point for low-emission coating development.

NONYLPHENOL-FREE CHARACTER

ARADUR 38-1 was developed as the nonylphenol-free successor to ARADUR 38. Huntsman specifically highlights this distinction in current and historical product information.
Nonylphenol and related alkylphenol chemistry have faced significant regulatory and environmental scrutiny. Removing nonylphenol from the curing-agent design supports modern formulation requirements and reduces dependence on this substance class.
The nonylphenol-free status should be confirmed from current supplier documentation when a formal regulatory declaration is required, particularly where regional restrictions or ecolabel programs apply.

BENZYL-ALCOHOL-FREE CHARACTER

Huntsman coating-selector literature identifies ARADUR 38-1 as benzyl-alcohol-free. Benzyl alcohol is often used in amine hardeners as a viscosity modifier, accelerator or formulation aid.
A benzyl-alcohol-free hardener can support formulations where migration, odor, VOC accounting or water resistance make benzyl alcohol undesirable. The grade still contains water as carrier.
The absence of benzyl alcohol does not mean the complete coating is free from all coalescents or auxiliary solvents. Other formulation components must be evaluated independently.

WATER DILUTION

ARADUR 38-1 can be diluted with water, but Huntsman states that turbidity may occur. This is a characteristic of the colloidal or associated structure of the polyamine adduct rather than necessarily a sign of immediate product failure.
In pre-pigmented form, more stable hardener solutions can be produced. Pigments, fillers and dispersants can alter the colloidal environment and influence how the diluted hardener appears and behaves.
Dilution should be performed under adequate mixing and should use controlled water quality. The final diluted component should be evaluated for phase stability, viscosity and cure performance before production adoption.
Adding water late in pot life should not be used as a method to restore chemically advanced mixed coating. Dilution can lower viscosity but cannot reverse epoxy-amine reaction.

COLLOIDAL STABILITY

Waterborne polyamine adducts are not always simple molecular solutions. Their polymeric and amphiphilic structures can form associated domains whose appearance changes as concentration, ionic strength and temperature change.
Light turbidity after validated dilution can therefore occur without immediate precipitation. Severe phase separation, sedimentation or irreversible flocculation is different and indicates loss of uniformity.
Electrolytes introduced by pigments, extenders or water can influence stability. Raw-material changes should therefore be followed by storage testing and film-performance evaluation.
Pre-pigmented hardener components can sometimes remain more stable because the formulation environment has been deliberately balanced around the dispersed solids.

FLOW

Improved flow is one of the current product features highlighted by Huntsman. Flow describes the ability of the wet coating to redistribute after application and reduce brush, roller or spray texture.
Good flow is especially valuable in high-gloss coatings because surface irregularities scatter light and reduce gloss. ARADUR 38-1 is specifically associated with films showing good flow and high-gloss finish when used with suitable epoxy resins.
Flow depends on more than hardener chemistry. Resin molecular weight, water level, rheology modifiers, pigment volume and evaporation conditions all influence the wet film.
Too much dilution can improve initial flow but cause sag and slow drying. Excessive rheology can prevent leveling. Formulation balance is therefore essential.

HIGH GLOSS

Huntsman states that ARADUR 38-1 can produce a high-gloss finish in combination with suitable epoxy resins. High gloss requires formation of a smooth, continuous surface with minimal microtexture.
Film coalescence, pigment dispersion, water removal and pot-life age all influence final gloss. A coating that is chemically curing correctly can still lose gloss if applied too late in the pot-life window.
The practical pot-life limit of approximately 1-2 hours is specifically linked by Huntsman to loss of gloss rather than to immediate dramatic viscosity increase. This makes gloss a process-control property as well as a final appearance property.
High-gloss waterborne epoxy topcoats should therefore define both mixing time and maximum application time.

ADHESION

Excellent adhesion is one of the principal current product features of ARADUR 38-1. Epoxy resins naturally provide strong polar interaction with many substrates, while the polyamine-adduct curing agent supports wetting and network development.
Current Huntsman material compatibility includes metal and mineral substrates. Suitable surfaces can include prepared steel, concrete, masonry and other stable mineral materials.
Surface preparation remains essential. Oil, grease, soluble salts, weak concrete laitance, rust and dust can all create weak boundary layers that prevent the coating from bonding to the true substrate.
Good hardener chemistry cannot compensate fully for poor substrate preparation.

SLOW-DRYING FILM CHARACTER

Huntsman describes ARADUR 38-1 with suitable epoxy resins as producing relatively slow-drying films. This slower drying behavior can provide useful open time and flow, allowing the film to level before it becomes immobile.
The trade-off is slower early handling and potentially longer time before recoating or service. Ambient temperature, humidity and airflow strongly influence drying because water must evaporate while cure progresses.

Slow drying can be shortened by incorporating suitable solid-resin dispersions such as ARALDITE PZ 3961-1 proportionally. Huntsman specifically notes that PZ 3961-1 can significantly reduce drying time.
Formulators can therefore tune the drying profile by adjusting resin technology rather than changing hardener alone.

PRACTICAL POT LIFE

Huntsman states that the practical pot life of dispersion coatings formulated with ARADUR 38-1 is typically limited to a maximum of approximately 1-2 hours because the gloss finish begins to deteriorate. A clear viscosity increase can occur later, particularly in heavily diluted mixtures.
This behavior is important because operators cannot judge remaining pot life only by whether the material still appears fluid. A batch may remain easy to stir while chemical advancement has already changed surface development enough to reduce final gloss.

Production procedures should therefore record the time at which components are mixed and define a hard application cutoff. Adding extra water after the gloss window has passed cannot restore the original chemical state.
Temperature affects this interval. Warm conditions generally accelerate reaction and shorten useful pot life, while cooler conditions can extend it.

GEL TIME

Huntsman waterborne-curing-agent selector literature lists an approximate gel time of 75 minutes for ARADUR 38-1 under its standardized test conditions. This provides a useful comparison with other ARADUR waterborne grades.
Gel time should not be equated directly with field pot life because test resin, mass, temperature and endpoint differ. Huntsman's product-specific practical statement of roughly 1-2 hours based on gloss is more directly relevant to coating application.
Both measurements are useful when understood correctly. Gel time compares intrinsic cure behavior, while practical pot life captures the point at which coating quality begins to decline.

APPLICATIONS

Water-dilutable epoxy coatings
ARADUR 38-1 is specifically designed for water-dilutable epoxy coatings. It allows the curing-agent side to remain free of organic solvent while supporting high solids, good flow and strong adhesion. The complete system should be balanced for water content, coalescence and cure.

Solvent-free dispersion coatings
Huntsman identifies ARADUR 38-1 as particularly suitable for solvent-free dispersion coatings with high solids. This application takes advantage of the hardener's high active content and absence of organic solvent.

High-solids coatings
High-solids two-component epoxy coatings can benefit from the low water burden associated with the 79-81% solids hardener. Higher dry-film build can be achieved with less carrier evaporation than with more dilute waterborne hardeners.

Metal coatings
Current Huntsman compatibility includes metal substrates. ARADUR 38-1 can therefore be used in suitable waterborne epoxy systems for fabricated metal, equipment and structural components.

Steel primers
Waterborne epoxy primers for steel can use ARADUR 38-1 where good adhesion and high solids are important. Anti-corrosion performance also depends on surface preparation, pigment package and film thickness.

Direct-to-metal coatings
ARADUR 38-1 can be evaluated in DTM waterborne epoxy coatings where primer and finish functions are combined. Edge coverage, anti-corrosive pigments and substrate cleanliness remain critical.

Anti-corrosion primers
Polyamine-adduct epoxy systems can provide strong barrier protection and adhesion in anti-corrosion primers. ARADUR 38-1 supplies the curing chemistry while zinc phosphate, lamellar fillers or other protective pigments can enhance corrosion performance.

Industrial maintenance coatings
Industrial structures, machinery and equipment can use ARADUR 38-1-based waterborne epoxies where solvent reduction and durable adhesion are desired. The exposure environment should determine whether a separate weather-resistant topcoat is needed.

Factory-applied industrial coatings
Controlled factories can provide the airflow and temperature required for efficient water removal. ARADUR 38-1 can support high-gloss and high-solids application on metal components where drying conditions are managed.

Machinery coatings
Machine frames, housings and equipment can use waterborne epoxy primer or finish systems based on ARADUR 38-1. Chemical exposure, abrasion and UV conditions should be considered in the full coating system.

Metal furniture coatings
Steel furniture, shelving and cabinets can use waterborne epoxy systems where high gloss and strong adhesion are required. Surface pretreatment and phosphate conversion coatings can further improve corrosion performance where applicable.

Appliance primers
Prepared metal appliance components can use ARADUR 38-1-based primers beneath compatible topcoats. Factory curing or controlled airflow can help reduce drying time.

Mineral-substrate coatings
Current Huntsman compatibility includes mineral substrates. Concrete, masonry and cementitious surfaces can therefore be coated with suitable ARADUR 38-1 epoxy systems after appropriate preparation.

Concrete primers
ARADUR 38-1 can be used in waterborne epoxy primers for concrete where penetration, adhesion and high solids are required. Concrete should be structurally sound, clean and within the moisture limits of the system.

Concrete floor coatings
High-solids waterborne epoxy technology can be used on prepared floors in industrial, commercial and utility spaces. Early water exposure and traffic should be avoided until the coating has reached adequate cure.

Wall coatings
Waterborne epoxy wall coatings can provide high gloss, washability and chemical resistance in technical and industrial interiors. ARADUR 38-1's good flow can support smooth finish.

Warehouse floors
Warehouse floor coatings can benefit from epoxy adhesion and cleaning resistance. Heavy traffic may require aggregate or additional wear-resistant formulation technology.

Workshop floors
Workshop surfaces exposed to oils and cleaning agents can use appropriate epoxy floor systems. Chemical resistance should be verified against the actual service fluids.

Utility-room coatings
Mechanical rooms, plant areas and technical corridors can use waterborne epoxy coatings to reduce conventional solvent odor during installation.

Parking structures
Sheltered concrete parking areas can use waterborne epoxy primers or intermediate coats where moisture and tire contamination are properly addressed. Exterior UV exposure may require a more weather-resistant topcoat.

Protective concrete coatings
Concrete exposed to industrial splash or cleaning can use ARADUR 38-1-based systems where the resin provides the required chemical resistance. Cracks and movement joints must be treated separately.

Primer-sealers
High-solids waterborne epoxy primer-sealers can reduce absorbency and provide a bonded base for subsequent layers. Porous substrates may require controlled dilution for penetration.

Clear sealers
Clear or lightly pigmented mineral sealers can be developed where formulation clarity is acceptable. The Gardner color limit and possible waterborne haze should be considered in transparent applications.

High-gloss epoxy topcoats
ARADUR 38-1 can produce high-gloss films with suitable resins. Such topcoats are most appropriate for interior or protected environments unless exterior weatherability is addressed separately.

Barrier coatings
Fully cured epoxy networks can reduce permeation of water and industrial chemicals. Barrier fillers can further improve diffusion resistance.

Marine and coastal primers
Waterborne epoxy primers can be considered for marine or coastal steel where drying conditions permit and salt contamination is rigorously controlled. A complete corrosion-protection system should be qualified for the exposure.

Container coatings
Transport containers and fabricated steel structures can use waterborne epoxy primers where solvent reduction is important. Production line airflow and drying capacity influence throughput.

Pipe coatings
Prepared pipes can use waterborne epoxy systems for atmospheric or selected industrial service. Internal immersion use requires separate qualification.

Tank exteriors
Exterior tank surfaces can use epoxy primer systems based on ARADUR 38-1. UV-resistant topcoats can provide long-term color and gloss retention.

Civil-engineering coatings
Mineral and metallic infrastructure can use waterborne epoxy systems for protective and bonding functions. Substrate moisture and environmental drying conditions must be considered.

Epoxy cement concrete systems
Historical Huntsman technical literature includes an epoxy cement concrete formulation using ARADUR 38-1 together with waterborne epoxy resin, cement, sand and additional water. This demonstrates compatibility with specialized polymer-modified mineral systems.

Polymer-cement hybrids
Waterborne epoxy curing-agent chemistry can be incorporated into selected polymer-cement systems where the alkaline mineral environment and resin chemistry are compatible. These formulations require dedicated development because cement hydration and epoxy cure proceed simultaneously.

Repair mortars
ARADUR 38-1 can be evaluated in waterborne epoxy-mineral repair compounds where high solids and adhesion are useful. Filler and aggregate level determine rheology and mechanical properties.

Grouts
Specialized mineral-filled epoxy grouts can use waterborne binder technology where cure and water balance are suitable. Structural applications require compressive, creep and durability validation.

Adhesive primers
Polyamine-adduct epoxy chemistry can be used in primer layers beneath compatible adhesive or coating systems. The substrate must be properly prepared and the primer allowed to reach the required state before overcoating.

Waterborne epoxy adhesives
Although current Huntsman positioning emphasizes coatings, polyamine-adduct chemistry can be evaluated in compatible waterborne epoxy adhesive systems where water can leave the bond region. Thick closed bond lines may require different technology.

Metal-to-mineral bonding
Epoxy systems can bond metal to concrete or mineral substrates when both surfaces are clean and the waterborne formulation maintains wetting and cure. Gap geometry and water evaporation must be considered.

Industrial floor primers
Low-emission primer systems based on ARADUR 38-1 can be used under thicker flooring layers where adhesion and surface consolidation are needed.

Decorative industrial coatings
High-gloss capability makes the grade relevant to decorative industrial areas where solvent reduction and epoxy durability are desired. Color stability and UV exposure should still be evaluated.

Interior architectural epoxy coatings
Selected architectural interiors such as laboratories, service rooms and technical facilities can use waterborne epoxy wall and floor coatings where cleanability and chemical resistance are priorities.

ARALDITE GY 776 COMPATIBILITY

Huntsman technical information identifies ARALDITE GY 776 as a suitable liquid epoxy resin for use with ARADUR 38-1 in water-dilutable coatings. A liquid epoxy resin can be emulsified or otherwise incorporated into the aqueous system with appropriate formulation support.
The exact mixing ratio with GY 776 should follow current resin-specific documentation because Huntsman's current enhanced ARADUR 38-1 page does not publish a GY 776 ratio. It should not be inferred from the PY 33757 or PZ 3961-1 values.
Liquid-resin systems can provide good film formation because the epoxy phase itself is not dependent entirely on fusion of solid resin particles. Water removal and emulsification stability remain important.

ARALDITE PZ 33757/67 COMPATIBILITY

Huntsman historical technical information identifies the PZ 33757/67 emulsion as compatible with ARADUR 38-1 for water-dilutable coatings. This type of pre-dispersed resin allows both resin and hardener components to be handled in an aqueous formulation.
The optimum hardener level should be taken from the current resin-system documentation because product naming across historical brochures includes both PZ 33757/67 and PY 33757 references. The current Huntsman ARADUR 38-1 page specifically publishes a 100:85 ratio for ARALDITE PY 33757.
Formulators should therefore match the exact resin product code on the container and technical sheet before applying a mixing ratio.

ARALDITE PY 33757 MIX RATIO

Current Huntsman product information gives an optimum mix ratio of approximately 100 parts ARALDITE PY 33757 to 85 parts ARADUR 38-1 by weight.
This ratio is specific to the commercial resin-hardener pair. It reflects both epoxy equivalent balance and the supplied physical forms of the components.
Huntsman also states that, depending on application and required properties, use of only approximately 80% of the recommended hardener amount may be preferable. For the 85-part reference level, 80% corresponds to about 68 parts hardener per 100 parts resin.
Such reduction should be treated as deliberate formulation adjustment rather than casual under-dosing. Film properties, adhesion, corrosion resistance and cure must be validated.

ARALDITE PZ 3961-1 MIX RATIO

Current Huntsman information gives an optimum mix ratio of approximately 100 parts ARALDITE PZ 3961-1 to 15 parts ARADUR 38-1 by weight.
The much lower hardener level compared with PY 33757 demonstrates why one universal phr must not be applied across different commercial epoxy resins and dispersions.
Huntsman also notes that proportional use of solid-resin dispersion such as PZ 3961-1 can significantly shorten drying time in ARADUR 38-1 systems.
This makes PZ 3961-1 particularly useful where the formulator wants to retain the high-solids waterborne curing-agent advantages while improving early film development.

REDUCED HARDENER LEVEL

Huntsman states that use of only approximately 80% of the recommended hardener amount can be preferable depending on application and required properties. This guidance indicates that the optimum performance point can be slightly epoxy-rich rather than strictly based on the nominal published ratio.
Reducing hardener level changes crosslink balance and residual functionality. It can influence corrosion resistance, water sensitivity, flexibility, hardness and adhesion.
The exact direction and magnitude of these changes depend on resin and formulation. A reduced-hardener system should therefore be qualified by application tests rather than selected only from theoretical stoichiometry.

FILM COALESCENCE

Waterborne epoxy coatings need both chemical cure and physical film formation. If resin domains fail to merge into a continuous phase, the coating can remain porous, hazy or weak even when epoxy-amine reaction occurs.
Temperature, water content and resin-particle architecture influence coalescence. Solid-resin dispersions can require different film-forming conditions from liquid-resin emulsions.
Huntsman's observation that PZ 3961-1 can shorten drying time demonstrates the importance of resin technology in controlling film formation.
Coalescence aids can be used where necessary, but their VOC contribution and effect on water resistance should be considered.

DRYING

ARADUR 38-1 systems are described as relatively slow drying with suitable epoxy resins. Slow drying can improve leveling but can extend time before handling, recoating or service.
Water evaporation is slowed by high relative humidity and poor airflow. Thick films retain water longer than thin films.
Warm, moving air can accelerate physical drying, provided the surface does not close so rapidly that deeper water becomes trapped.
Dry time should therefore be evaluated under the actual application environment rather than only in a controlled laboratory.

HUMIDITY EFFECTS

High humidity reduces the driving force for water evaporation and can delay physical drying. It can also extend the period of early water sensitivity.
Low humidity accelerates evaporation but can reduce open time and leveling in some systems. The ideal range depends on formulation and film thickness.
Condensation on cold substrates must be avoided. Substrate temperature should remain above the dew point by the margin specified for the coating system.

LOW-TEMPERATURE APPLICATION

Low temperature increases viscosity, slows epoxy-amine reaction and reduces water evaporation. These effects can combine to produce long drying time and weak early film development.
ARADUR 38-1 should therefore be evaluated at the minimum expected substrate and ambient temperature. A formulation that performs well at 23°C may behave very differently near 10°C.
Controlled heating, faster resin technology or reduced film thickness can help in cooler conditions where permitted.

WARM CURING

Moderate heat can accelerate both water removal and chemical cure. Factory-applied coatings can use warm-air or oven zones to increase throughput.
Heating should be controlled so that the film releases water without blistering. Thick or highly pigmented films can require a short ambient flash period before entering a warmer zone.
The actual substrate temperature should be monitored rather than relying only on oven-air temperature.

PIGMENT DISPERSION

Pigmented ARADUR 38-1 coatings require stable waterborne dispersion of pigments and extenders. Pigment surfaces can adsorb dispersants and change ionic strength, viscosity and cure behavior.
The pigment grind is often prepared separately before final hardener addition. This avoids exposing the complete reactive resin-hardener system to long high-shear processing.
ARADUR 38-1 can also be formulated in pre-pigmented hardener solutions, which Huntsman notes can provide improved stability compared with simple water dilution.
Compatibility should be confirmed for each pigment package because acidic or highly alkaline surfaces can influence amine chemistry.

ANTI-CORROSIVE PIGMENTS

Zinc phosphate and related corrosion-inhibitive pigments can be incorporated into compatible waterborne epoxy primers. These pigments supplement the barrier protection of the cured epoxy network.
Lamellar fillers such as mica or micaceous iron oxide can increase diffusion path length for water and oxygen.
Pigment choice must consider aqueous stability. Some conventional anti-corrosive pigments behave differently in waterborne systems because soluble ions can affect pH and colloidal stability.
Salt-spray and cyclic corrosion testing should be performed on the finished primer system.

MINERAL FILLERS

Barytes, calcium carbonate, talc, mica, silica and other mineral fillers can adjust cost, rheology, hardness and barrier properties.
High filler loading increases viscosity and can reduce gloss. It can also reduce binder continuity if pigment volume becomes excessive.
Waterborne formulations are sensitive to soluble salts carried by fillers. Raw-material quality should therefore be controlled.
Surface-treated mineral grades can improve compatibility but may interact differently with amine curing agents.

RHEOLOGY MODIFIERS

Associative thickeners, cellulose derivatives, clays and other waterborne rheology modifiers can control sag, settling and application feel.
Amine hardener addition changes pH and electrolyte environment, so rheology should always be measured after both components are mixed.
Viscosity can evolve through pot life as cure progresses. The coating should therefore remain sprayable or rollable for the defined application window.
Excessive thickener can reduce flow and gloss, undermining two of ARADUR 38-1's principal advantages.

DEFOAMERS

Mixing waterborne epoxy components can entrain air. Persistent bubbles create pinholes, reduce gloss and weaken barrier performance.
A suitable defoamer can improve air release, but excess defoamer can create craters or intercoat-adhesion problems.
The defoamer should be tested in the complete two-component system because the resin and amine components can alter surface activity.
Foam should be evaluated both in the container and after application.

SURFACTANTS AND WETTING AGENTS

Surfactants support pigment dispersion and substrate wetting in waterborne coatings. Excess surfactant can increase water sensitivity and foam.
ARADUR 38-1 already contains water-compatible functionality, so additional surfactant should be used only where necessary.
Changes in wetting-agent package can influence gloss, corrosion resistance and film coalescence. Formulation testing should therefore evaluate multiple performance properties simultaneously.

pH AND BASICITY

Polyamine curing agents are basic and can raise the pH of the mixed coating. pH influences dispersion stability, pigment interaction and associative-thickener performance.
Strong acid addition can neutralize reactive amine sites and change cure. pH adjustment should therefore be approached cautiously.
The final mixed system should be measured rather than relying only on the pH of the resin component.

EARLY WATER RESISTANCE

Waterborne epoxy films can remain sensitive during early cure because residual carrier water and incomplete network conversion are still present.
Premature water exposure can cause whitening, gloss loss or softening. Resistance improves as water leaves and crosslinking advances.
High-solids ARADUR 38-1 reduces water burden compared with more dilute hardeners, but full cure is still necessary before severe service.
Early water resistance should be tested at the intended temperature and humidity.

CHEMICAL RESISTANCE

Fully cured epoxy systems can provide good resistance to water, oils and many industrial chemicals. The exact resistance profile depends more on the complete resin-hardener network than on ARADUR 38-1 alone.
Waterborne processing does not mean the final thermoset remains water soluble. After water evaporation and complete cure, the network is chemically crosslinked.
Chemical immersion should be tested only after full cure. Exposure concentration and temperature should match actual service conditions.

MECHANICAL DURABILITY

Epoxy coatings generally provide good hardness and abrasion resistance when fully cured. ARADUR 38-1 contributes to network formation, while resin type, fillers and film thickness control final mechanical properties.
Floor systems exposed to heavy traffic can require silica, aluminum oxide or aggregate reinforcement.
Early hardness should not be used as the only quality measure because waterborne epoxies continue developing properties after apparent dry.

RECOATABILITY

ARADUR 38-1-based primers can be recoated with compatible waterborne or solvent-borne topcoats within a validated recoat window.
If the epoxy has cured fully, abrasion may be required to improve mechanical adhesion. Surface contamination and amine-derived deposits should be removed.
The recoat interval changes with temperature and humidity. A laboratory schedule should not be transferred blindly to cold or damp field conditions.

AMINE BLUSH

Amine-cured epoxies can form surface carbamate deposits when reactive amines interact with atmospheric moisture and carbon dioxide.
Blush can appear greasy, cloudy or waxy and can interfere with adhesion of later coats.
Optimized waterborne adduct chemistry can reduce free-amine behavior, but environmental conditions still matter.
Any blush should be removed according to the coating procedure before recoating.

WEATHERING

Conventional epoxy coatings can chalk and lose gloss during prolonged ultraviolet exposure. ARADUR 38-1 should not be treated as a UV stabilizer.
For exterior decorative systems, the waterborne epoxy can be used as primer or intermediate coat beneath a weather-resistant polyurethane, acrylic or polysiloxane topcoat.
Loss of exposed epoxy gloss does not necessarily indicate immediate failure of barrier protection, but cosmetic durability may be unacceptable without a suitable topcoat.

QUALITY CONTROL

Important quality-control parameters for ARADUR 38-1 include appearance, Gardner color, amine value, water content and viscosity. These define the commercial concentration and handling profile.
Typical supporting data include AHEW, density and flash point. Functional cure testing with a standardized epoxy resin can provide additional confirmation of performance consistency.
Current Huntsman documentation should control specification decisions because viscosity ranges and shelf-life information have changed between older and current technical publications.
Incoming inspection should therefore reference the agreed current TDS rather than a legacy brochure alone.

WHY WATER CONTENT MATTERS

Water content determines how much active hardener is delivered per unit weight and how much carrier must evaporate.
A lower-than-normal water content can increase viscosity and active concentration. A higher water content can reduce active hardener delivery and slow drying.
The published 19-21% range therefore directly influences both manufacturing consistency and coating performance.

WHY VISCOSITY MATTERS

Viscosity affects pumping, metering, dilution and mixing. ARADUR 38-1 is supplied at relatively high viscosity because of its high solids.
Temperature must be standardized before quality-control comparison. Cold material can appear substantially thicker without being compositionally abnormal.
Unexpected long-term viscosity change can indicate concentration drift, contamination or aging.

WHY AMINE VALUE MATTERS

Amine value provides a chemical fingerprint of the curing-agent functionality. A significant shift can alter reaction rate and equivalent balance.
It should be considered together with solids, water content and viscosity because no single parameter fully defines the commercial product.
Functional coating tests remain important where small property changes can influence gloss or corrosion resistance.

TDS, SDS AND COA

The current Huntsman TDS or Enhanced TDS should be used to confirm product properties, mix ratios, application guidance and storage information. Huntsman explicitly notes that website information can change and that the most current documents should be requested when needed.
The Safety Data Sheet governs hazard classification, composition disclosure, PPE, first aid, firefighting, storage, transport and disposal.
The Certificate of Analysis provides batch-specific values for controlled parameters where supplied. Historical technical documents remain useful for formulation context but should not override current specifications.

SAFETY AND HANDLING

ARADUR 38-1 is a reactive amine-containing curing agent and should be handled according to the current SDS. Waterborne and organic-solvent-free status reduce conventional solvent exposure but do not eliminate skin and eye hazards associated with reactive amines.
Suitable chemical-resistant gloves, eye protection and protective clothing should be used. Good industrial hygiene is important during transfer, dilution and mixing.
Ventilation should be appropriate for the complete coating system and application method. Spray application can create aerosols even when the product contains no organic solvent.

SKIN CONTACT

Repeated skin contact with epoxy hardeners can cause irritation or sensitization. Direct contact should therefore be minimized.
Contaminated skin should be washed promptly according to SDS guidance. Solvents should not be used to clean skin because they can increase penetration and irritation.
Contaminated clothing should be removed and cleaned before reuse where appropriate.

EYE CONTACT

Splash protection is important because viscous waterborne hardener can splash during pumping, stirring or dilution.
If product enters the eyes, immediate and thorough rinsing with clean water should begin and medical attention should be obtained according to the SDS.
Emergency eyewash access is appropriate in routine handling areas.

INHALATION

ARADUR 38-1 contains no organic solvent, so inhalation exposure is less dominated by solvent vapor than in solvent-cut hardeners.
Aerosols generated during spraying or high-shear mixing can still create respiratory exposure.
Respiratory protection should be selected based on the complete coating and workplace exposure assessment.

INGESTION

ARADUR 38-1 is an industrial reactive chemical and must not be ingested. Food and drink should be kept away from chemical-handling areas.
After accidental ingestion, follow the current SDS and obtain medical advice.

SPILL MANAGEMENT

A spill should be contained promptly. The viscous liquid can create a slippery floor and may spread through drains if not controlled.
Recovered material and contaminated absorbent should be placed in suitable labeled waste containers.
Uncontrolled discharge to surface water, soil or sewer systems should be prevented according to local requirements.

FIRE RESPONSE

The flash point is at least approximately 100°C, but the organic curing-agent fraction can burn or decompose under strong heat.
Huntsman identifies carbon monoxide, carbon dioxide, nitrogen oxides and other toxic gases and vapors as possible hazardous decomposition products during fire.
Fire response should follow the current SDS and facility emergency plan.

STORAGE

Current Huntsman information recommends storing ARADUR 38-1 dry, preferably in the sealed original container, at approximately 2-40°C. Direct sunlight should be avoided.
The current Huntsman product page lists approximately three years of shelf life at the recommended storage temperature. Older technical literature cited shorter shelf-life values, so the current packaging expiry date and latest product documentation should control.
Huntsman also instructs users to stir the product before use. This helps restore uniformity after storage.
Containers should remain tightly closed to prevent contamination and unnecessary water loss.

STIR BEFORE USE

Current Huntsman storage guidance specifically states that ARADUR 38-1 should be stirred before use. Waterborne polymeric curing agents can develop small concentration gradients during storage even when no obvious phase separation is visible.
Gentle but thorough agitation helps ensure that the hardener concentration is uniform before weighing or pumping.
Excessive high-speed mixing should be avoided if it introduces unnecessary foam.

SHELF LIFE

Current Huntsman product information gives a shelf life of approximately three years when ARADUR 38-1 is stored between 2 and 40°C under recommended conditions.
The expiry date on the original package and current supplier documentation should control actual use. Material beyond shelf life should be requalified rather than assumed acceptable.
Appearance, viscosity, amine value and functional cure response can be used during requalification where appropriate.

REGULATORY CONSIDERATIONS

Current Huntsman product information lists multiple chemical-inventory registrations for ARADUR 38-1, including inventories in Australia, Canada, Korea, New Zealand, Taiwan and the United States. Inventory status is time-sensitive and should be verified for the intended market.
The product is explicitly described as nonylphenol-free and organic-solvent-free in Huntsman technical information. Formal regulatory claims should still be supported by current supplier documentation.
Generic coating suitability does not establish food-contact, potable-water, medical-device or other specialized regulatory approval. Such applications require separate documentation for the complete formulation.

ENVIRONMENTAL CONSIDERATIONS

Organic-solvent-free waterborne hardener technology can reduce VOC emissions and workplace solvent odor.
Uncured amine-containing material should nevertheless not be released directly to soil or water. Reactive components can present environmental hazards before cure.
Cleaning water from two-component epoxy processing can contain resin, hardener, pigment and additives and should be managed under applicable local rules.
Fully cured epoxy has very different mobility and reactivity from uncured components, but disposal requirements remain jurisdiction-specific.

COMMON FORMULATION PROBLEMS

Loss of gloss late in pot life
Huntsman identifies loss of gloss as the practical end-of-pot-life criterion after approximately 1-2 hours in dispersion coatings. Discard material that has exceeded the validated window rather than trying to restore it with water.

Slow drying
High humidity, low airflow, low temperature or excessive dilution can delay water removal. Use appropriate ventilation, film thickness and resin technology.

Excessive viscosity
Cold product, insufficient dilution or concentration drift can increase viscosity. Bring the material to the specified test temperature before changing formulation.

Turbidity after dilution
Water dilution can make ARADUR 38-1 turbid. This can be a normal colloidal effect, but severe separation or precipitation should be investigated.

Poor flow
Too much rheology modifier, insufficient water adjustment or late-pot-life application can reduce leveling. Optimize viscosity and apply within the validated time.

Poor adhesion
Oil, salts, rust, dust, concrete laitance or condensation can create a weak boundary. Correct substrate preparation before changing hardener chemistry.

Poor corrosion resistance
Incorrect mix ratio, low film thickness, poor surface preparation or unsuitable pigment package can reduce protection. Evaluate the full primer system.

Foaming
High-speed mixing and unsuitable surfactant or defoamer balance can create persistent air. Optimize mixing and defoaming.

Poor coalescence
Low temperature, incompatible resin dispersion or excessive water can leave a weak or hazy film. Improve film-forming conditions and resin selection.

Early water sensitivity
Incomplete drying and cure can cause whitening, gloss loss or softening. Delay water exposure until the validated cure period has passed.

Sagging
Excess dilution or insufficient rheological structure can cause vertical flow. Adjust water, film thickness and rheology modifier.

Phase instability
Incompatible additives, electrolyte contamination or unsuitable dilution can destabilize the system. Review raw materials and addition sequence.

Shorter-than-expected pot life
Warm material, catalytic pigments or more reactive resin chemistry can accelerate cure. Standardize temperature and resin identity.

FREQUENTLY ASKED QUESTIONS

What is ARADUR 38-1?
ARADUR 38-1 is a high-solids waterborne polyamine-adduct epoxy curing agent dissolved in water.

What is the solids content?
Huntsman waterborne-curing-agent selector literature gives approximately 79-81% solids.

How much water does ARADUR 38-1 contain?
Published technical data give approximately 19-21% water.

What is the viscosity?
Current Huntsman enhanced TDS information lists approximately 15-23 Pa·s at 25°C; earlier technical literature listed approximately 12-20 Pa·s.

What is the amine value?
Approximately 170-210 mg KOH/g.

What is the active hydrogen equivalent weight?
Approximately 150 g/eq.

What is the density?
Approximately 1.1 g/cm³ at about 23°C.

What is the flash point?
At least approximately 100°C by Pensky-Martens closed-cup testing.

Does ARADUR 38-1 contain organic solvent?
No. Huntsman states that ARADUR 38-1 contains no organic solvents.

Is ARADUR 38-1 nonylphenol-free?
Yes. Huntsman states that ARADUR 38-1 was developed as the nonylphenol-free successor to ARADUR 38.

Is ARADUR 38-1 benzyl-alcohol-free?
Published Huntsman selector literature identifies the grade as benzyl-alcohol-free.

What is the optimum ratio with ARALDITE PY 33757?
Approximately 100 parts ARALDITE PY 33757 to 85 parts ARADUR 38-1 by weight.

What is the optimum ratio with ARALDITE PZ 3961-1?
Approximately 100 parts ARALDITE PZ 3961-1 to 15 parts ARADUR 38-1 by weight.

Can a lower hardener amount be used?
Huntsman states that approximately 80% of the recommended hardener amount can be preferable depending on application and required properties.

What is the practical pot life?
Typically about 1-2 hours for dispersion coatings, with loss of gloss becoming the practical limitation before a strong viscosity rise.

Can ARADUR 38-1 be diluted with water?
Yes, but turbidity may occur after dilution; pre-pigmented hardener solutions can be more stable.

What are the main substrates?
Current Huntsman information lists metal and mineral substrates.

What are the main product benefits?
Excellent adhesion, improved flow, high solids, organic-solvent-free formulation and the ability to produce high-gloss films with suitable epoxy resins.

Does ARADUR 38-1 have one CAS number?
No single CAS number should be assigned to the complete proprietary trade grade without confirmation from the current SDS.

How should ARADUR 38-1 be stored?
Store dry in the sealed original container at approximately 2-40°C, avoid direct sunlight and stir before use.

What documents should be checked before use?
Use the current Huntsman TDS or Enhanced TDS, SDS and batch-specific quality documentation where available.

FINAL TECHNICAL SUMMARY

ARADUR 38-1 is a formulated high-solids polyamine-adduct curing agent dissolved in water for water-dilutable, solvent-free and high-solids epoxy coatings. Current Huntsman product information identifies it as an amine/polyamine hardener for metal and mineral substrates and highlights excellent adhesion and improved flow.
Huntsman waterborne-curing-agent selector literature places the solids content at approximately 79-81%, with about 19-21% water. This high active concentration allows ARADUR 38-1 to introduce relatively little carrier water while still supporting aqueous processing.
Current Huntsman enhanced TDS information specifies approximately 15-23 Pa·s viscosity at 25°C and 170-210 mg KOH/g amine value. Earlier technical literature used a viscosity specification around 12-20 Pa·s, so current supplier documentation should control incoming quality decisions.
Published selector data give an active-hydrogen equivalent weight of approximately 150 g/eq and a reference gel time around 75 minutes. Typical density is approximately 1.1 g/cm³ and flash point is at least approximately 100°C.

ARADUR 38-1 contains no organic solvents and was developed as the nonylphenol-free successor to ARADUR 38. Published selector literature also identifies the grade as benzyl-alcohol-free.
With suitable epoxy resins, ARADUR 38-1 can produce relatively slow-drying films with good flow, good adhesion and a high-gloss finish. Proportional use of solid-resin dispersion such as ARALDITE PZ 3961-1 can significantly shorten drying time.
Current Huntsman information gives an optimum mix ratio of approximately 100:85 parts by weight for ARALDITE PY 33757 / ARADUR 38-1 and approximately 100:15 for ARALDITE PZ 3961-1 / ARADUR 38-1. These ratios are resin-specific and should not be transferred to unrelated epoxy grades.
Huntsman further states that use of only approximately 80% of the recommended hardener amount can be preferable depending on required properties. Such adjustment should be validated for cure, adhesion, corrosion resistance, gloss and water sensitivity.

Practical pot life is typically limited to approximately 1-2 hours because gloss deteriorates before a strong viscosity increase necessarily becomes obvious. This makes elapsed time from mixing an important process-control parameter.
Water dilution can produce turbidity. Huntsman notes that pre-pigmented hardener solutions can provide better stability, illustrating the colloidal nature of the aqueous polyamine-adduct system.
Water-dilutable industrial coatings, anti-corrosion primers, direct-to-metal systems, high-gloss coatings, concrete and mineral-substrate coatings, floor coatings and specialized epoxy-cement systems are relevant application areas.

Waterborne epoxy performance depends on both chemical crosslinking and physical water removal. Temperature, humidity, airflow, film thickness and resin-dispersion technology therefore strongly influence early drying and final performance.
ARADUR 38-1 should be handled as a reactive amine hardener despite its organic-solvent-free delivery form. Appropriate gloves, eye protection, hygiene and SDS-based ventilation practices remain necessary.
Current Huntsman storage guidance is approximately 2-40°C in sealed original packaging away from direct sunlight, with stirring before use. The current Huntsman product page lists approximately three years of shelf life under recommended conditions.

The commercial product should not be assigned an invented single molecular formula, molecular weight, CAS number or EC number. Current Huntsman SDS documentation should govern formal identity, hazard classification and regulatory information.
For ARADUR 38-1 technical specifications, application guidance, TDS, SDS, COA and formulation information, contact ATAMAN KIMYA with the intended epoxy resin, substrate, coating type and target performance characteristics.

ATAMAN KIMYA
Phone: +90 216 577 10 10
Email: info@atamankimya.com