... pva powder 1, pva with powder,flake, granular. 2, have many grade of PVA, PVA1799, PVA2499, PVA1788, PVA2488, PVA0588 et pva powder 1, pva with powder,flake ... , granular. 2, have many grade of PVA, PVA1799, PVA2499, PVA1788 ... , emulsifying agent etc.pva powder 1, pva with powder,flake, granular. 2, have many grade of PVA, PVA1799, PVA2499, ...