Chloroprene rubber (CR) is more commonly know by the trade name Neoprene®.

 

Chloroprene is unusual in that it is moderately resistant to both petroleum oils and weather (ozone, sunlight, oxygen). This qualifies Neoprene® for O-ring service where many other elastomers would not be satisfactory. It is also used extensively for sealing refrigeration fluids. FDA grades are available. Neoprene has good compression set characteristics, abrasion resistance, and a temperature range of -65° to 285°F (-55° to 140°C).

 

PAI offers Neoprene® compounds in a hardness range of 40 to 90 durometer. Black is the standard color, but many other colors are available.

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Item #

Nominal Durometer

Color

Compound Features

RoHS Compliant

REACH Compliant

4301 N/A 30 N/A Black N/A General Purpose N/A Y N/A N
4402 N/A 40 N/A Black N/A General Purpose N/A N N/A N
4403 N/A 40 N/A Black N/A Ozone Resistant, MIL-R-6855 Class 2 Type A & B, Grade 40 N/A Y N/A N
4409 N/A 40 N/A Black N/A General Purpose, MIL-R-6855 Class 2 Grade 40 N/A Y N/A N
4465 N/A 40 N/A White N/A Non-Marking N/A N N/A N
4466 N/A 40 N/A Gray N/A _ N/A Y N/A N
4474 N/A 40 N/A Black N/A Fungus Resistant N/A Y N/A N
4503 N/A 50 N/A Black N/A Low Temp, Meets a Variety of Mil Specs N/A Y N/A N
4515 N/A 50 N/A TAN N/A Non-Conducting N/A Y N/A N
4516 N/A 50 N/A Black N/A Good Flex Life N/A Y N/A Y
4522 N/A 50 N/A Black N/A AMS 3222 N/A Y N/A Y
4523 N/A 50 N/A Black N/A General Purpose N/A Y N/A N
4524 N/A 50 N/A Black N/A Fungus Resistant N/A Y N/A N
4525 N/A 50 N/A White N/A FDA Compliant N/A Y N/A Y
4542 N/A 50 N/A Rust Red N/A _ N/A N N/A N
4543 N/A 50 N/A MAROON N/A _ N/A Y N/A N
4554 N/A 50 N/A Black N/A Good Flex Life, AMS 3308 N/A Y N/A N
4566 N/A 50 N/A Black N/A FDA N/A Y N/A N
4603 N/A 60 N/A Black N/A Low Temp, AMS 3241, MIL-R-6855 Class 2, Type A & B, Grade 60 N/A Y N/A N
4606 N/A 60 N/A Black N/A Low Temp, Diaphragms N/A Y N/A N
4616 N/A 60 N/A Black N/A Good Flex Life N/A Y N/A Y
4617 N/A 60 N/A Black N/A Moly Filled N/A Y N/A N
4624 N/A 60 N/A Black N/A General Purpose, AMS 3320 N/A Y N/A N
4625 N/A 60 N/A White N/A FDA Compliant N/A Y N/A Y
4627 N/A 60 N/A Black N/A Non-Conducting N/A Y N/A N
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