Paroil 1650 Chlorinated paraffin ICC Industries-Dover Flame and Smoke Retardants >> Chlorine based Waxes & Paraffin >> Paraffin Polyesters Rubber - Elastomer (Chloroprene, Butyl …) Polyolefins (PE, PP…) ADHESIVE Paroil®, Dover Chemical's brand of liquid chlorinated paraffins, is based on the chlorination of waxes and normal paraffins. Paroil liquid chlorinated paraffins improve the flame resistance of polyolefins, unsaturated polyester, rubber, and other synthetic materials. In addition flame retardancy, liquid chlorinated paraffins are efficient plasticizers. formulators of adhesives, caulks, and sealants will improve fire retardancy in their products by incorporating a non-volatile liquid chlorinated paraffin plasticizer. Medium viscosity, short chain chlorinated paraffin plasticizer. Used in adhesives, caulks, and sealants. Improves fire retardancy.