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

77602 N/A Black N/A 70 N/A General Purpose N/A N N/A N
77701 N/A Black N/A 70 N/A General Purpose N/A N N/A N
77717 N/A Black N/A 70 N/A Moly Filled N/A N N/A N
77719 N/A Black N/A 70 N/A Graphite Filled N/A N N/A N
77725 N/A White N/A 70 N/A _ N/A Y N/A Y
77757 N/A Black N/A 75 N/A Internally Lubricated N/A Y N/A Y
6802 N/A Black N/A 80 N/A _ N/A N N/A N
77801 N/A Black N/A 80 N/A General Purpose N/A N N/A N
77902 N/A Black N/A 80 N/A General Purpose N/A N N/A N
77919 N/A Black N/A 90 N/A Graphite Filled N/A N N/A N
77920 N/A Black N/A 90 N/A _ N/A Y N/A Y
77957 N/A Black N/A 90 N/A Internally Lubricated N/A Y N/A Y
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