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Rubber in Engineering Group @ Clwyd - Sep 2018

Clwyd welcomed the Rubber in Engineering Group on Friday 21st September, more than 20 more

Polymer Types - CR - Polychloroprene...

Clwyd reference CR
ASTM classification CR

Polychloroprene rubber

Typical applications General purpose seals and hoses; seals for refrigeration industry applications. 

High tensile strength and resilience
Excellent ozone and weathering resistance
Good resistance to oils


Poor resistance to some non-polar solvents
Poor steam resistance

Available hardness range (Shore A) 35 – 95
Upper continuous service temp. (°C) 125
Min. temp. for sealing applications (°C) -40
Minimum non-brittle  temp.  (°C) -50
Tensile strength (up to) 23 MPa
Elongation at break (up to) 450%

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