CSM or Chlorosulphonated Polyethylene is known under the name HYPALON®.
Properties
Excellent resistance to oxidation and has outstanding resistance to atmospheric contidions an in particular strong sunlight and ozone.
Temperature Range: -31 F to +284 F.
CSM compounds resist fire and are self extinguishing when the flame is removed.
Resistance to chemicals; resistant to most inorganic chemical products, good resistance to general acids, oils and greases.