... :white flakes,floccus or powder solid,odorless. GENERAL INFORMATION1.Name:polyvinyl alcohol,PVA ,vinylalcohol polymer,poval 2.CAS No.:9002-89-5 ... or powder solid,odorless. SPECIFICATION IN DEX high-class qualified Alcohol solution degrees% ≥ 99.8 99.7Average polymerization degree 1750±50 ... ,fabric and rubberlike products7,protective films for metal,plastic,cloth Polyvinyl Alcohol