Chlorinated paraffin The largest application for chloroparaffins is as a plasticiser, generally in conjunction with primary plasticisers such as dop, dinp, etc., in flexible pvc. Their use in pvc (and many other products) imparts a number of technical benefits, the most significant of which is the enhancement of flame retardant properties. This is particularly beneficial in pvc flooring products and cables but also in paints, textiles, and many building materials. Chloroparaffin is used extensively by the following industries û 240 kg in iron drums