Chlorosulfonated Polyethylene is a kind of white or yellowish elastomer in round chip with not only the same properties as base polymer but also special properties of itself. It’s soluble in aromatic hydrocarbon and hydrochloric ether, insoluble in fatty hydrocarbon and alcohol, only swells but not soluble in ketone and ether. It has excellent ozone resistance, atmospheric ageing resistance, chemical resistance, etc., also has better physical mechanical features, heat ageing resistance, heat endurance, subzero resistance, fuel resistance, abrasion resistance and electrical insulation.