Koj xov txog lawm, PVA 1799 yog li neeg polyvinyl alcohol qhia yuav tsum nrog mus rauh daim ntawv thiab ib tug covxov hais tias no yog ua kev cai ntawm lub tsis muaj nyob rauh. Cov active binder ntawd daim ntawv tau xaiv los noj kawg adhesion, flexibility, thiab durability ntawd daim ntawv los yog li cas. Nrog mus PVA 1799, cov daim ntawv tau tshwm tso nrhiav los yog li cas thiab tau noj kawg ntawm environmentally-induced stress. Lub tsis muaj yog li cas qhia eco friendly thiab yog li cas ua rauh hauv lub market ntawm nyob rauh thiab ua rauh hauv kev tsum eco-friendly tus hais tias li cas thiab muaj sib npawb ntawm quality.