Puas yog hydroxyethylcellulose puas tsuaj? Hydroxyethylcellulose (HEC) yog ib qho hluavtaws polymer muab tau los ntawm cellulose, ib tug natural polysaccharide pom nyob rau hauv cov nroj tsuag. HEC yog cov khoom tsis muaj tshuaj lom, tsis ua rau khaus, thiab tsis ua xua uas siv ntau yam khoom, suav nrog tshuaj pleev ib ce, tshuaj, thiab f ...
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