Polyvinyl alcohol (PVA) yog ib qho polymer tsim los ntawm kev dissolving hauv dej, thiab qhov no tuaj yeem ua tau vim nws cov yam ntxwv zoo ntawm kev txuas, emulsifying, thiab film-forming. Ua tsaug rau PVA cov yam ntxwv, ib qho ntawm nws cov txiaj ntsig yog nws biodegradation hauv qee qhov xwm txheej, uas ua rau nws hauv kev piv nrog lwm cov yas yog ib qho kev hloov pauv eco-friendly. PVA recycling yog ua tau vim nws tuaj yeem hloov pauv thiab siv hauv ntau hom formulations, yog li ntawd nws txo tau cov khoom pov tseg thiab ciaj sia cov khoom. Raws li ib tus neeg faib khoom zoo, peb muab PVA cov khoom uas ua raws li cov requirments thoob ntiaj teb, yog li ntawd peb cov neeg siv khoom tuaj yeem ua kom muaj kev ruaj ntseg hauv lawv txoj haujlwm tau zoo.