Neoprene was one of the first synthetic elastomers created as a result of natural rubber shortages that occurred during World War II.
The methyl group within a natural rubber chain is substituted for a Chlorine atom to give the neoprene elastomer superior resistance to hydrocarbons, ozone, oxygen and UV light.
Other elastomers have largely supplanted Neoprene with the exception of petroleum, automotive and HVAC refrigerant applications.
Neoprene offers superior oil resistance over Nitrile but is still realatively economical for cost sensitive applications
Neoprene function better as a weatherseal than EPDM at similar cost when oil contamination could occur as typical in the petroleum industry.
Different HVAC refrigerant systems require Neoprene or HNBR elastomers instead of the standard Nitrile elastomer previously used in most older systems.
Neoprene has provided an economical alternative for some of the more aggressive HVAC refrigerants.
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