PVA-1788 POLYVINYL ALCOHOL
Polyvinyl alcohol powder is a kind of water-soluble environment-friendly polymer, which use liquid nitrogen as agent and crushed at low temperature. It has good...
PVA-2488 POLYVINYL ALCOHOL
Polyvinyl alcohol powder is a kind of water-soluble environment-friendly polymer, which use liquid nitrogen as agent and crushed at low temperature. It has good...