... and harfulless, used in UPR,plasticizer,surfactant,antifreeze,emulsifier,softener Propylene glycol (PG C3H8O2 ) is a colorless liquid with ... agents.PG is the raw material for unsaturated polyester resin,plasticizer,surfctant,emulsifying agent and demulsifying agent.It can ... contact with skin and eyes raw material for UP resin,antifreeze,moisturizer,high purity 99.5% Propylene Glycol industrial ...