zu
I-Polyvinyl Alcohol (PVA) I-2488 iyi-polymer esetshenziswa kabanzi eyaziwa ngezakhiwo zayo ezihlukile kanye nokusebenza okuhlukahlukene kwezimboni. Ngezici zayo ezihlukile, i-PVA 2488 ithole ukuthandwa ezimbonini ezahlukahlukene, kufaka phakathi okunamathela, ukumboza, izindwangu, imithi, nokunye.