... 1.Name:polyvinyl alcohol,PVA ,vinylalcohol polymer,poval 2.CAS No.:9002-89-5 3.Formula:[C2H4O]n 4.Appearance:white powder Polyvinyl ... 410(powder)Lower explosive limit(V/V)125(g/m3 ) 5,Spec.PVA17-88ITEMFIRST GRADEQUALIFIED GRADEHydrolysis,% (mol/mol)87-8986- ... 90Viscosity,mPa·s21-2520-26volatile,%5.0max7.0maxPH value5-75-7Ash,%0.5max0.7maxPurity,%93.591.5min Applications1,adhesive and lamination ...