Kugwiritsa ntchito hydroxyethyl cellulose Monga osakhala ionic surfactant, hydroxyethyl cellulose ali ndi zotsatirazi katundu kuwonjezera pa ntchito suspending, thickening, dispersing, zoyandama, kugwirizana, filimu kupanga, kusunga madzi ndi kupereka colloid zoteteza: 1. HEC ndi sungunuka kutentha kutentha madzi kapena ...
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