IHydroxyethyl Cellulose (HEC) iyisengezo esishintshashintshashintshayo nesibalulekile embonini yezokwakha, eyaziwa ngokugcina amanzi okukhethekile, ukujiya, kanye nezakhiwo zokuzinzisa.Njengesengezo sebanga lokwakha, i-HEC ithola ukusetshenziswa okusabalele ezintweni zokwakha ezahlukahlukene, kufaka phakathi udaka...
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