PVA yog lus tshiab rau cov khoom siv polyvinyl alcohol tsim nyog rau kev siv hluv qhov chaw uas xav tau kev nyiaj yig zoo, kev tsim hauv thiab kev nyiam. Cov khoom PVA feem ntau muaj nyob rau hauv daim duab, duab ntxiag lossis duab plaub thiab siv nyob rau hauv dej kom tsim tau cov thawj qaub tshwm siab thiab nyiam. Qhov siv feem ntau ntawm nws yog rau kev nyiaj yig, kev kuaj xyuas lo rau tus lej, kev kuaj xyuas rau hauv tshom, kev tsim kho, thiab kev tsim khoom siv polymer. Nyiaj yig, PVA pab nyiaj yig zoo rau cov hluv qhov chaw uas muaj qhov tso cai, thaum kuj tseem tswj tau kev nyiam. Nyob rau hauv cov khoom siv kho tsham, nws pab txhim kho kev nyiam thiab kev nyiam siab. PVA kuj siv los pab ruaj khov rau hauv cov polymer emulsions thiab suspensions. Qhov tsim nyob rau hauv nws pab tshuab tau ntau yam kev tsim khoom siv hluv qhov chaw. Rau cov ntaub ntawv sau npe meej meej, kev xaiv hom, lossis kev pib ntaus nqi, yuav tsum tau hu rau tus neeg paub txog kom pab.