Profile: Kemox Factory specializes in providing mortar additives and concrete admixtures. Hydroxypropyl methyl cellulose(HPMC) is the selection of pure refined cotton as raw material, with propylene oxide and chloromethane as etherifying agent, under alkaline conditions through etherification of non-ionic cellulose ether is a tasteless, non-toxic white or white powder, can dissolve in cold water, swelling into transparent or slightly turbid colloidal viscous solution.