Kev sib xyaw ntawm polyvinyl alcohol yog kev sib thooj nyob rau hauv dej uas tsim los ntawm PVA raws li yam ntxwv. Cov kev sib thooj no muaj kev sib thooj meej rau duv, neeg lag luam, thiab cov khoom siv rau qhov chaw tshwm sim, thaum koj tseem tua kom meej rau qhov chaw nyob. Lawv pom tseeb ntau hauv kev siv khoom sau ntawv, khoom siv khoom, dej siv rau hauv tsev, thiab kev sib thooj rau cov ntaub. Cov kev sib xyaw zoo tshaj plaws tuaj yeem pab txhim kho kev tiv thaiv dej thiab kev nyob meej rau kev siv hauv tsev neeg. Cov kev sib xyaw ntawm polyvinyl alcohol pom zoo tshaj plaws rau kev nyob deb ntsws, kev siv ua haujlwm yooj yim, thiab kev tsim kho tshiab. Rau kev xaiv tshiab lossis lus nug txog tej nqi, peb tso koj mus rau peb.