... liquid, inflammable and harfulless, used in UPR,plasticizer,surfactant,antifreeze,emulsifier,softener Propylene glycol (PG C3H8O2 ) is a colorless liquid ... alcohol,water and various organic agents.PG is the raw material for unsaturated polyester resin,plasticizer,surfctant,emulsifying agent ... ISO TANK,avoid to contact with skin and eyes raw material for UP resin,antifreeze,moisturizer,high purity 99. ...