Tylose MB 15009 P2 water soluble, non-ionic, highly etherified methyl hydroxyethyl cellulose.
Tylose MB 15009 P2 is a methylcellulose-based cellulose ether that functions as a thickener, binder, stabilizer, and water-retention agent in industrial and construction formulations.
Tylose MB 15009 P2 is a free-flowing white to off-white powder that dissolves in cold water to form a clear to slightly opalescent, high-viscosity solution.
CAS Number: 9032-42-2
Molecular Formula: C2H6O2·xCH4O·x
Synonyms: METHYL HYDROXYETHYL CELLULOSE;METHYL 2-HYDROXYETHYL CELLULOSE;Hymetellose;Cellulose,2-hydroxyethylmethylether;'Tylose'® MH 300;Hydroxythyl Methyl Cellulose;HydroxythylMethylCellulose(Hemc);HEMC
Tylose MB 15009 P2s polymer chains form hydrogen bonding with water, creating a stable network that improves rheology control, suspension stability, and film formation.
Tylose MB 15009 P2 provides excellent water retention, workability improvement, and controlled viscosity development in aqueous systems.
Tylose MB 15009 P2 exhibits thermal gelation behavior, meaning viscosity increases upon heating and reverses upon cooling, which supports processing stability.
Tylose MB 15009 P2 shows good compatibility with inorganic fillers, cementitious systems, and many organic additives, enabling uniform dispersion and reduced segregation.
Tylose MB 15009 P2 is widely used in tile adhesives, cement mortars, gypsum plasters, self-leveling compounds, and wall putties to improve adhesion and open time.
It is also applied in coatings, ceramics, and specialty binders where flow control and suspension stability are critical.
In laboratory and formulation work, it serves as a rheology modifier to fine-tune viscosity, sedimentation resistance, and surface finish quality.
Tylose MB 15009 P2 is generally considered low toxicity and non-hazardous under normal handling conditions.
Dust generation during handling may cause mild respiratory or eye irritation, so local ventilation and basic personal protective equipment are recommended.
Prolonged exposure to airborne powder should be avoided to minimize mechanical irritation and maintain good occupational hygiene.
Tylose MB 15009 P2 demonstrates strong thickening efficiency at low dosage levels due to its high molecular weight polymer backbone.
Small concentration changes can significantly influence viscosity, flow behavior, and sag resistance in formulated systems.
This allows precise tuning of application properties without excessive material consumption.
Tylose MB 15009 P2 enhances suspension stability by increasing the continuous phase viscosity and creating steric hindrance between dispersed particles.
This minimizes sedimentation of pigments, fillers, and mineral particles during storage and application.
Uniform particle distribution improves visual appearance, mechanical consistency, and coating homogeneity.
Tylose MB 15009 P2 contributes to improved open time and extended working time in tile adhesives and cement mortars.
Slower water migration allows better wetting of substrates and more complete hydration reactions.
This improves bonding strength, reduces installation defects, and increases application flexibility for operators.
Density: 1.28–1.30 g/cm³ at 20 °C
Bulk density: 350 kg/m³
Storage temperature: Store below +30 °C
Solubility: H₂O, 20 mg/mL, soluble
Water solubility: Soluble in water, 20 mg/mL
Form: Powder
Color: White to faint beige
Viscosity: 600–1500 mPa·s (2 % in H₂O at 20 °C)
Tylose MB 15009 P2 is hygroscopic and should therefore be stored under dry conditions away from heat.
Tylose MB 15009 P2s are essential elements of many construction materials.
The laying of tiles utilising the thin bed process and the processing of mortars in continuously working plastering machines is only possible with the use of Tylose MB 15009 P2.
Tylose MB 15009 P2 exhibits pseudoplastic flow behavior, meaning viscosity decreases under shear and recovers when shear is removed.
This shear-thinning property supports easy pumping, spreading, and leveling during application.
After application, viscosity recovery prevents sagging, dripping, and phase separation.
Tylose MB 15009 P2 shows limited sensitivity to moderate electrolyte concentrations when formulation balance is optimized.
Excessive salts or incompatible additives may reduce hydration efficiency and viscosity development.
Controlled formulation design ensures stable performance in complex chemical environments.
Tylose MB 15009 P2 supports improved freeze–thaw stability in water-based systems by stabilizing the polymer-water network.
This reduces irreversible viscosity loss and phase separation after temperature cycling.
Improved stability enhances shelf life and transportation reliability in varying climates.
Tylose MB 15009 P2 is biodegradable under suitable environmental conditions because it is derived from cellulose-based raw materials.
Its renewable origin contributes to lower environmental impact compared to fully synthetic polymers.
This sustainability aspect supports environmentally responsible formulation strategies.
Tylose MB 15009 P2 has a controlled particle size distribution that allows rapid wetting and lump-free dissolution when properly dispersed in water.
Its viscosity profile is engineered to provide consistent thickening performance across different batch conditions and mixing intensities.
This ensures predictable rheological behavior in both laboratory-scale and industrial-scale formulations.
Tylose MB 15009 P2 improves cohesion and reduces water bleeding in cement-based systems by binding free water within the polymer matrix.
This enhances dimensional stability, reduces cracking risk, and supports uniform curing behavior.
The polymer also improves surface smoothness and reduces segregation of aggregates and fillers.
Tylose MB 15009 P2 exhibits good resistance to alkaline environments commonly found in cement and mineral-based formulations.
Its chemical stability helps maintain viscosity and functional performance over extended storage and application periods.
This stability contributes to consistent product quality and long-term formulation reliability.
Tylose MB 15009 P2 supports improved adhesion between substrates and applied layers by forming a flexible polymer film during drying.
This film improves mechanical bonding strength and reduces dusting and surface friability.
The enhanced film formation also improves abrasion resistance and surface integrity in finished applications.
Tylose MB 15009 P2 is compatible with plasticizers, dispersants, defoamers, and inorganic salts when properly formulated.
Careful formulation optimization prevents phase separation, viscosity loss, or delayed hydration effects in cement systems.
This compatibility enables flexible formulation design for customized performance targets.
Tylose MB 15009 P2 should be stored in a dry, cool environment in tightly sealed packaging to prevent moisture absorption.
Exposure to humidity may cause premature hydration, agglomeration, and reduced flowability of the powder.
Proper storage preserves shelf life, handling characteristics, and dissolution performance.
Uses:
Tylose MB 15009 P2 water retention aid, thickening agent, protective colloid, suspending agent, binder and stabilizer.
Tylose MB 15009 P2 is used in tile adhesives to improve water retention, open time, and bonding strength during installation.
It enhances workability and reduces slippage on vertical surfaces by controlling rheology and viscosity recovery.
This leads to more uniform spreading, improved tile alignment, and reduced application defects.
Tylose MB 15009 P2 is widely applied in cement mortars and plaster systems to stabilize water distribution and improve curing consistency.
It reduces cracking, segregation, and surface dusting by maintaining homogeneous moisture content throughout the matrix.
This improves mechanical integrity, surface quality, and long-term durability.
Tylose MB 15009 P2 is used in self-leveling compounds to regulate flow behavior and prevent particle settling during placement.
It enables smooth leveling while maintaining sufficient viscosity to avoid bleeding and phase separation.
This results in flat surfaces, improved surface finish, and consistent thickness control.
Tylose MB 15009 P2 is incorporated into wall putties and skim coats to enhance smoothness, adhesion, and sanding behavior.
It improves spreadability and reduces tool marks by stabilizing the slurry structure.
This allows easier surface preparation and higher-quality decorative finishes.
Tylose MB 15009 P2 is used in water-based coatings and ceramic slurries to control viscosity and improve suspension stability.
It prevents pigment settling and improves film uniformity during drying and curing.
This contributes to consistent color distribution, improved surface appearance, and coating reliability.
Tylose MB 15009 P2 is applied in specialty binders and laboratory formulations as a rheology modifier and stabilizer.
It allows fine adjustment of flow behavior, gel strength, and dispersion quality.
This supports formulation optimization for research, pilot-scale testing, and advanced material development.
Tylose MB 15009 P2 is used in gypsum-based products to improve water retention, setting control, and surface smoothness.
Tylose MB 15009 P2 reduces premature water loss and improves crystal growth uniformity during hydration.
This leads to stronger bonding, reduced surface defects, and improved finishing quality.
Tylose MB 15009 P2 is applied in repair mortars and patching compounds to enhance adhesion and minimize shrinkage cracking.
It improves cohesion between old and new substrates by stabilizing moisture migration.
This increases repair durability and long-term structural reliability.
Tylose MB 15009 P2 is used in extrusion and molding formulations for mineral-based materials to improve shape stability and green strength.
It allows controlled deformation during forming while maintaining structural integrity.
This supports consistent dimensional accuracy and reduced processing defects.
Tylose MB 15009 P2 is incorporated into fiber-reinforced cement composites to improve fiber dispersion and matrix uniformity.
It reduces fiber agglomeration and enhances interfacial bonding within the composite structure.
This improves mechanical performance and crack resistance.
Tylose MB 15009 P2 is used in spray-applied mortars and plasters to control sag resistance and nozzle flow behavior.
It stabilizes atomization while maintaining sufficient adhesion to vertical and overhead surfaces.
This improves application efficiency, coverage uniformity, and material utilization.
Tylose MB 15009 P2 is applied in decorative coatings and textured finishes to regulate pattern formation and surface consistency.
It improves texture stability and reduces slump during drying.
This ensures repeatable aesthetic quality and consistent visual appearance.
Safety Profile:
Tylose MB 15009 P2 is used as an excipient in various oral and topical pharmaceutical preparations, and is generally regarded as an essentially nontoxic and nonirritant material.
Tylose MB 15009 P2 is generally considered low hazard and non-toxic under normal handling and industrial use conditions.
It does not present significant chemical reactivity or acute toxicity risks.
Health effects are mainly related to mechanical irritation rather than chemical exposure.
Inhalation of airborne powder may cause temporary irritation of the nose, throat, and respiratory tract.
High dust concentrations can lead to coughing, dryness, or mild breathing discomfort.
Adequate ventilation and dust control measures should be applied during handling.
Direct contact with eyes may cause mild redness, tearing, or transient discomfort.
Rinsing with clean water typically relieves irritation without long-term effects.
Protective eyewear is recommended in environments where dust generation is possible.
Prolonged skin contact may cause dryness or minor irritation in sensitive individuals.
Normal hygiene practices such as washing hands after handling reduce potential skin effects.
Protective gloves may be used when prolonged contact cannot be avoided.
Accidental ingestion is unlikely to cause serious toxicity but may lead to mild gastrointestinal discomfort.
Large quantities may cause temporary bloating or irritation due to the polymeric nature of the material.
Medical attention should be sought if persistent symptoms occur.