1,Product:Polyvinyl alcohol 2,CAS No.:9002-89-5 3,MF:[C2H4O]n 4,Appearance:white flake,floccus or powder solid 5,First grade 1,Product:Polyvinyl alcohol2,CAS No.:9002-89-53,MF:[C2H4O]n4,Appearance:white flake,floccus or powder solid5,EINECS No.:294-352-46,MF:[C2H4O]n 7,Spec.17-88ItemStandard Result Purity % ≥9898.1Alcoholysis % (mol\mol)86.0~90.0 86.5Viscosity mPa.s20.0~26.024Sodium acetate ...