Polyvinyl Alcohol (PVA) yog ib qho polymer tsim los uas muaj cov khoom tshwj xeeb hauv kev piv rau lwm cov derivatives cellulose rau kev siv. Nws muaj ntau yam kev siv ntau dua vim nws qhov zoo solubility thiab film-forming cov yam ntxwv. Tsis tas li ntawd, nrog rau kev mob siab ntawm cov chaw tsim khoom rau kev siv cov khoom siv uas muaj kev ruaj khov, PVA kuj tseem muaj txiaj ntsig nrog nws cov khoom, tshwj xeeb hauv cov ntaub ntawv background thiab cov lag luam adhesive. Hauv qhov no, peb lub tuam txhab hais txog PVA muaj ntau yam khoom hauv peb cov khoom lag luam raws li ib qho distributor kom peb cov neeg siv khoom tsis txhob muaj kev nyuaj siab hauv kev nrhiav cov requirments tshwj xeeb uas lawv tau txais los ntawm lawv cov lag luam hom tau txais thoob ntiaj teb.