Chloroprene Rubber

Properties

Polychloroprene (CR), also known as Neoprene or chlor caoutchouc, is the fourth largest volume diene elastomer. It exhibits good UV and ozone stability and has good chemical resistance to oil, fuel, and many other chemicals. CR is also known for its excellent abrasion resistance and toughness. Its mechanical properties are generally inferior to those of natural rubber but it has superior chemical resistance. It is one of the few rubbers that is self-extinguishing. However, chloroprene tends to harden over time and degrades in the presence of some fairly common chemicals such as hydrochloric acid, acetone, xylene, acetic acid, and hydrogen peroxide.

Polychloroprene is used in a variety of products including coatings, adhesives, and molded elastomeric products such as gaskets, cable jackets, tubing, seals, O-rings, tire-sidewalls, gasoline hoses, electrical insulations and weather-resistant products such as wet suits and orthopedic braces.

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