SL-HP20A Hydroxypropyl Methyl Cellulose Product description SLE SL-HP20A is derived from highly pure refined cotton and is specially made of etherification under alkaline conditions. It is slightly off-white to beige odorless and tasteless powder in appearance.  SLEO SL-HPA is used primarily in various construction materials like external insulation and finish systems (EIFS), cement based plasters and masonry mortar where it is used as a rheology modifier, thickener, binder, film former and water retention agent. Specifications Model No. SL-HP20A Appearance slightly off-white to beige powder Particle Size (mesh) 80 Methoxy Content (%) 27.1-30.0 Hydroxypropyl Content (%) 4.0-7.5 Gelation Temp. () 55.0-65.0 Water Retention Rate (%) 85% Ash Content (%) 13.0-15.0 Weight Losson Drying (%) 6.0 pH Value 4.0-8.0 Viscosity (NDJ, 20% aqueous solution, mP) 200000 Viscosity (Brookfield, 20% aqueous solution, mPas) 65000 Application range - External insulation and finish systems (EIFS) - Cement based plasters - Masonry mortar Key properties -Improves water retention -Improves adhesive strength -Improves slip resistance -Improve construction efficiency