Hydroxyethylcellulose (HEC) ke polima e qhibilihang ka metsing e atisang ho sebelisoa ha ho etsoa li-gel ka lebaka la ho teteana ha eona, ho tsitsisa le ho hlahisa li-gel. Li-gel tsa HEC li sebelisoa lits'ebetsong tse fapaneng, ho kenyelletsa lihlahisoa tsa tlhokomelo ea motho ka mong, meriana le lijo. Ho theha gel ea HEC, polymer ...
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