... plasticizer,surfactant,antifreeze,emulsifier,softener Propylene glycol (PG C3H8O2 ) is a colorless liquid with steady viscosity and good water absorption. It ... solved with alcohol,water and various organic agents.PG is the raw material for unsaturated polyester resin,plasticizer,surfctant ... and eyes raw material for UP resin,antifreeze,moisturizer,high purity 99.5% Propylene Glycol industrial grade