Monga osakhala ionic surfactant, hydroxyethyl cellulose (HEC) ili ndi zinthu zotsatirazi kuwonjezera pa thickening, kuyimitsa, kumanga, kuyandama, kupanga mafilimu, kufalitsa, kusunga madzi ndi kupereka colloids zoteteza: 1. HEC imasungunuka m'madzi otentha kapena ozizira , ndipo sichimawomba pa kutentha kwakukulu ...
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