Carboxylated Nitrile (XNBR) compounds are similar to NBR compounds with the addition of a carboxyl group included during polymerization. Carboxylation produces a stronger, more abrasion resistant material than standard nitriles.

XNBR compounds generally have higher low temperature ranges than NBR compounds and are less flexible.

PAI offers XNBR compounds in a range from 60 to 90 durometer. Black is the standard color, but we also offer tan and white compounds. Internally lubricated compounds are available for dry air applications.
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Item #

Color

Nominal Durometer

Compound Features

RoHS Compliant

REACH Compliant

N/A Black N/A 70 N/A General Purpose N/A false N/A false
N/A Black N/A 70 N/A General Purpose N/A false N/A false
N/A Black N/A 70 N/A Moly Filled N/A false N/A false
N/A Black N/A 70 N/A Graphite Filled N/A false N/A false
N/A White N/A 70 N/A N/A true N/A true
N/A Black N/A 75 N/A Internally Lubricated N/A true N/A true
N/A Black N/A 80 N/A N/A false N/A false
N/A Black N/A 80 N/A General Purpose N/A false N/A false
N/A Black N/A 80 N/A General Purpose N/A false N/A false
N/A Black N/A 90 N/A Graphite Filled N/A false N/A false
N/A Black N/A 90 N/A N/A true N/A true
N/A Black N/A 90 N/A Internally Lubricated N/A true N/A true
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