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14 Nov 2022
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Carboxylated Nitrile ( XNBR )

XNBR

Carboxylated Nitrile ( XNBR )

Cabboxylated Nitrile is similar to Nitrile rubber, but the polymer backbone has been chemically modified with Carboxylic Acid containing group. This result is XNBR with more excellent abrasion and tear resistance than traditional NBR. For this reason, XNBR based parts are usually applied in dynamic assembly such as seals and rod wipers.

Cure system – Sulfur – Cured

Standard XNBR compounds are sulfur-cured

Performs Well In…

►Aliphatic hydrocarbon

►Vegetable and mineral oils and greases

►Diesel

►Water

Dilute acids, alkali and salt solutions

Doesn’t Perform Well In…

►Aromatic hydrocarbon

►Chlorinated hydrocarbon

►Ketones

►Acetic acid

►Ethylene ester

►Strong acids

►Brake fluid with glycol base