Hydroxyethyl Cellulose (HEC) inoshandiswa zvakasiyana-siyana uye yakakosha yekuwedzera muindasitiri yekuvaka, inozivikanwa nekusarudzika kwayo kuchengetedza mvura, kukora, uye kudzikamisa zvivakwa.Sekuwedzera kwegiredhi rekuvaka, HEC inowana kushandiswa kwakapararira mumhando dzakasiyana dzekuvaka, kusanganisira dhaka ...
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