... retain water, develop consistency, improve workability and extend open time. HPMC ,GinShiCelare types of cellulosederivatives known as cellulose ethers,specifically Methyl ... Cellulose(MC), Hydroxy Propyl Methyl Cellulose(HPMC), Hydroxyethyl Cellulose(HEC), and Hydroxy Ethyl MethylCellulose (HEMC) made ... wash the product, Dry and mill the ethereified product HPMC