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What you need to know about Chlorosulfonated Polyethylene

Chlorosulfonated Polyethylene (CSPE), widely known as Hypalon, is a synthetic rubber used for dynamic and specialised applications due to it thermal, mechanical and electrical characteristics.

Trade names

Other known trade names for Chlorosulfonated Polyethylene are:

  • Hypalon from DuPont
  • Hailon Chlorosulfonated Polyethylene from Lianda Corporation
  • TOSO-CSM and Extos from Tosoh Corporation of Japan

Specifications

Chlorosulfonated Polyethylene is made through the chemical reaction of polyethylene with chlorine and sulphur dioxide. The polyethylene then turns to a synthetic elastomer that can be vulcanised and compounded.

It has a density of 1.11–1.26 g/cm3, a chlorine content of 27–45% and a sulphur content of 0.8–2.2%.

Characteristics

Chlorosulfonated Polyethylene exhibits excellent qualities, including:

  • Ozone and weather resistant
  • Good dielectric strength
  • Can withstand extreme temperatures
  • Resists discolouration on exposure to light

Application

Chlorosulfonated Polyethylene is used in the production of household and industrial goods like:

  • Wire and cable jackets
  • Inflatable boats
  • Specialty roofing
  • Gaskets
  • Seals

Coruba offers Hypalon rubber strips that can be tailored to suit your specific needs. For further assistance, simply dial 01702 811 552.



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