Ko te Hydroxyethylcellulose (HEC) he polymer nonionic, he wai-wairewa i ahu mai i te cellulose e whakamahia nuitia ana i roto i nga momo ahumahi, tae atu ki te ahumahi whakakikorua hei whakakaha me te whakapumau. Ko te peita taherapa, e mohiotia ana ko te peita wai, he momo peita rongonui e whakamahi ana i te wai hei kawe i...
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