Hydroxypropyl methylcellulose (HPMC) is one of the non-ionic cellulose mixtures.It's a semi-synthetic, inactive, viscoelastic polymer, widely used in water-based coating, construction and building materials, printing inks, oil drilling area ect . Main Application : * Ceramic Tiles Adhesive Interior Wall Water-Resistant Putty * Exterior Wall Waterproof Putty (EPS)Exterior Wall Insulation Adhesive Mortar * Exterior Wall Insulation Plaster Mortar (EPS )Trim Strip Machine Wiping Mortar * Dry Powder Interface Agent Tile Dry-mixed grout