Sib ntsuam polyvinyl alcohol: PVA, cov kompob synthetic, yog mus rau hais tias cov tau txog qhov npawb film-forming, emulsification thiab adhesive, sis no yog ib cov polymer thiaj ntawv ua rau li cas nyob rau hauv peb nyob. Rog thiab, PVA yog mus rau hais tias ua rau li cas hydrolysis polyvinyl acetate (PVAc), cov tau yog ua rau li cas polymerization vinyl acetate. Yog mus rau hais tias ua rau li cas conditions tsis muaj sib ntsuam los yog ua rau li cas grade sib ntsuam PVA - thiab yog ib fabric PVA, PVA ntawm packaging, thiab PVA ntawm construction. Rog thiab, cov key aspect ntawm ua rau li providers yog mus rau hais tias Primary Viscous Units (PVU) ntawm ethanol thiab HeI/HeII Last tests qhia rau li crosslinking generation ua rau li cas standards nrog lawv ntawd los yog ua rau li cas needs ntawm international clientele.