... and various organic agents.PG is the raw material for unsaturated polyester resin,plasticizer,surfctant,emulsifying agent and ... system,antifreeze ,coolant,ice inhibitor and moisture preserving agent for tobacco. Propylene GlycolClassification:Industry GradeCAS No.:57-55- ... Origin:China (Mainland)stored and transported as ordinary chemicals,store it in cool, ventilated, dry place with galvanized iron ...