Nws paub tias Polyvinyl alcohol yog ib qho polymer tsim los uas yog siv hauv ntau lub lag luam suav nrog textile, ntawv thiab kev tsim kho. Yog li ntawd, ib qho lag luam uas nrhiav kev txuag, PVA, yog qhov tseem ceeb heev. Cov ntsiab lus tseem ceeb uas qhia txog tus nqi ntawm PVA yog: pes tsawg yog cov khoom raw, yuav ua li cas nws raug tsim thiab pes tsawg yog PVA uas muaj kev thov hauv khw. Yog li ntawd, kev nkag siab txog cov ntsiab lus no pab cov neeg siv khoom hauv kev yuav khoom thiab kev nkag siab dav dav ntawm cov no thaum tus nqi raug piav qhia thaum yuav khoom. Peb muaj peev xwm muab peb tus kheej ua ib tus khub hauv koj txoj kev muab khoom raws li peb txuas ntxiv muab PVA khoom zoo siab nrog tus nqi sib tw.