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Dej Soluble PVA cov ntaub ntawv
Cov ntaub ntawv PVA dej-soluble yog hloov kho los ntawm kev sib xyaw polyvinyl cawv (PVA), hmoov txhuv nplej siab thiab lwm yam dej soluble additives.Cov ntaub ntawv no yog ib puag ncig tus phooj ywg cov ntaub ntawv nrog dej solubility thiab biodegradable zog, lawv tuaj yeem yaj tag nrho hauv dej.Hauv ib puag ncig ntuj, microbes thaum kawg rhuav tshem cov khoom rau hauv carbon dioxide thiab dej.Tom qab rov qab mus rau ib puag ncig ntuj, lawv tsis muaj tshuaj lom rau cov nroj tsuag thiab tsiaj txhu.
