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Latest News...

Rubber in Engineering Group @ Clwyd - Sep 2018

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

Polymer Types - NBR/PVC - Nitrile butadiene rubber/PVC blend...

Clwyd reference NBR/PVC
ASTM classification NBR/PVC

Blend of polyvinyl chloride and acrylonitrile butadiene rubber

Typical applications Oil resistant seals that may be exposed to daylight or other forms of radiation

Good resistance to oils
Improved ozone resistance cf. NBR


Poor weathering resistance
Poor steam resistance

Available hardness range (Shore A) 40 - 95
Upper continuous service temp. (°C) 100
Min. temp. for sealing applications (°C) -20
Minimum non-brittle  temp.  (°C) -30
Tensile strength (up to) 20 MPa
Elongation at break (up to) 400%

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