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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 - XNBR - Carboxylated nitrile butadiene rubber...

Clwyd reference XNBR
ASTM classification XNBR

Carboxylated Nitrile Butadiene Rubber

Typical applications Oil resistant applications in automotive, marine and aircraft fuel systems where high strength and abrasion resistance is required

Good resistance to oils and non-polar solvents
Improved tear strength and abrasion resistance cf. NBR


Poor ozone and weathering resistance
Poor steam resistance

Available hardness range (Shore A) 50 - 95
Upper continuous service temp. (°C) 125
Min. temp. for sealing applications (°C) -15
Minimum non-brittle  temp.  (°C) -30
Tensile strength (up to) 25 MPa
Elongation at break (up to) 250%

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