Polyvinyl alcohol (PVA) yog ib qhov polymer uas tuaj yooj sib tw thiab tuaj yeem sib ntxiv nrog dej zoo li no tsis tuaj yooj sib tw hauv kev siv nyob hauv tsev lag luam. PVA tau siv ntau hauv tsev lag luam xws li daim ntawv, tej khoom sib txuam, kho tsev, thiab kev saj ntsuaj vim nws muaj kev tswj zoo rau tshuaj tshuaj, kev nyiaj, thiab kev tiv thaiv tshuaj organic. Qhov tseem ceeb ntawm nws yog tias nws tuaj yeem sib ntxiv nrog dej, yog li nws yog ib qhov zoo tshaj rau siv hauv tshuaj tshuaj uas muaj dej. Hauv tsev lag luam sib txuam, PVA tau siv los ua thawj agent rau tej khoom sib txuam, thaum hauv kho tsev, nws tau siv hauv adhesive thiab coatings rau kev nyiaj zoo dua thiab kev ua kom sov. Vim nws tsis muaj neeg hlub thiab tuaj yeem rov qhov chaw dua, yog li nws yog ib qhov leej hnub rau ntau tsev lag luam, xws li saj ntsuaj thiab tshuaj. Nrhiav kom paub seb PVA tuaj yeem pab txhim khu kev txhim kho thiab kev ua haujlwm ntawm koj cov khoom tas li.