... .:9002-89-5 3.Formula:[C2H4O]n 4.Appearance:white powder Polyvinyl alcohol(PVA)1,other name: vinylalcohol polymer, poval2, CAS ... No.9002-89-5Molecular formula[C2H4O]nAppearancewhite flakes,floccus or powder solid,odourlessRelative density(25°C/4°C)1.27-1 ... screens;ceramic binders6,fabric and rubberlike products7,protective films for metal,plastic,cloth8,printer inks for glass and plastics9,flexible fuel ...