PVA lossis Polyvinyl Alcohol yog ib qho hom nrog lub npe nrov tshwj xeeb. Rau qee qhov laj thawj pom tseeb, nws raug suav hais tias yog cov khoom siv uas muaj kev xav tau tshaj plaws. Nyob rau hauv cov kev siv nrov, kev lag luam textile siv PVA thaum sizing ntawm cov ntaub uas xav tau tensile zog ntau thiab durability siab. Raws li, adhesives, coatings, thiab textiles nrog dej muab qhov zoo tshaj plaws bonding. Ntxiv mus, biodegradation cov yam ntxwv ua rau nws muaj nuj nqis hauv kev tsim cov ntaub ntawv ntim. Yog qhov no daim ntawv thov uas nce nws qhov zoo thiab yog li qhia tawm qhov xav tau ntawm kev yuav PVA ntawm cov qib siab, uas peb zoo siab muab.