... -89-5 3.Formula:[C2H4O]n 4.Appearance:white powder Polyvinyl alcohol(PVA)1,other name: vinylalcohol polymer, poval2, CAS No ... packed in the braided polypropylene bags lined with a polyethylene film.The net weight of each bag is 25kg,50kg ..And ... range of chemials industry ,including:PVC, melamine, urea, ammonium chloride,polyvinyl alcohol, paraffin, sodium hydroxide, and so on. For more information , ...