Hydroxypropyl methyl cellulose (HPMC) waxaa laga sameeyaa suuf la safeeyey oo la miiray, alkalized leh sodium hydroxide (dareere caustic soda) xal, etherified leh methyl chloride iyo propylene oxide, ka dibna dhexdhexaad ah, la helay ka dib shaandhaynta, qalajinta, burburinta iyo shaandho.Tilmaamaha Muuqda...
Akhri wax dheeraad ah