IHydroxypropyl methyl cellulose (HPMC) yenziwe ngokotini ocolisisiwe ocijile, owenziwe nge-alkali ngesisombululo se-sodium hydroxide (i-liquid caustic soda), efakwe i-methyl chloride ne-propylene oxide, bese ingathathi hlangothi, etholakala ngemva kokuhlunga, ukomiswa, ukuchotshozwa nokusefa.Ukucaciswa Kuvela...
Funda kabanzi