Kushandiswa kwehydroxyethyl cellulose Sezvo isiri-ionic surfactant, hydroxyethyl cellulose ine zvinhu zvinotevera kunze kwemabasa ekumisa, kukora, kuparadzira, kutenderera, kusungirirwa, kugadzira firimu, kuchengetedza mvura uye kupa colloid inodzivirira: 1. HEC inonyungudika mukupisa mvura kana co...
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