Joyforce hydroxypropyl methyl cellulose ether (HPMC) is non ionic cellulose ether, small particle size, fast dissolution rate, high gel temperature, good water retention at high temperature, can be used in cement-based or gypsum-based mortar, providing good thickening for mortar properties and water retention. HPMC can also widely used in various building dry mortars, including tile adhesives, caulks, putties, mortars for external insulation systems, decorative molding mortars, plastering plaster, bonding plaster, plastering lime mortar and masonry mortar etc.