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METHOCEL™ 254
METHOCEL™ 254 is a hydroxypropyl methylcellulose (HPMC) polymer used as a rheology modifier and water-retaining agent in several building and construction products.
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- Manufacturer: IFF
- Product Line: METHOCEL™ Cellulose Ethers
- Product: METHOCEL™ Water-Soluble Cellulose Ethers
- Industries: Building & Construction
- Authorized Countries: Austria | Benelux | Canada | France | Germany | Italy | Mexico | Spain | Switzerland | United Kingdom | United States
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Overview
METHOCEL™ 254 is a hydroxypropyl methylcellulose (HPMC) polymer specifically developed to improve building and construction product performance. This grade of HPMC is highly retentive towards water and imparts a viscosity of 32,000 mPa·s when added to water at 2%. These properties help improve the strength and workability of manually applied and spray-applied plasters by preventing them from drying out too quickly and not allowing sufficient cure time.
METHOCEL™ 254 may also be used in ceramic tile adhesives to mitigate water loss to the surfaces of adhesive bonds, permitting stronger bonding. Similarly, adding METHOCEL™ 254 to mortars will also ensure higher durability. The distinct particle-size distribution of the hydroxypropyl methylcellulose polymers of METHOCEL™ 254 helps it dissolve quickly, and these polymers are unaffected by pH in terms of dissolution rate. This makes formulating with it efficient and easy. Furthermore, it is compatible with all mineral binders, making it highly versatile.
Specifications
Form: Fine powder
Solubility: Water soluble
Viscosity (mPa·s): 32,000
Moisture content (max %): 6.0
Sodium chloride (max %): <1.5
Particle size (min % through 200 µm mesh): 98
Primary Chemistry: Hydroxypropyl methylcellulose
Features & Benefits
Highly water retentive
Provides rheology modification
Dissolves easily and forms minimal lumps in building and construction formulations
Compatible with all mineral binders
Made from cellulose, a naturally derived material
Problems Solved
Poor open time, adhesion, and strength of cement-based tile and block adhesives and mortars
Low workability of plasters and mortars
Incompatibility with other organic and mineral binders
Applications
Cement-based tile adhesives
Block adhesives
Grouts
Manual plasters
Masonry mortars
Cement lime machine plaster
Related Applications
Related Functions
Building & Construction
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