Hydrogenated Nitrile Butadiene Rubber (HNBR)

Definition - What does Hydrogenated Nitrile Butadiene Rubber (HNBR) mean?

Hydrogenated Nitrile Butadiene Rubber, abbreviated as HNBR, is a synthetic rubber material that is used to create industrial sealing for oilfield exploration and processing. It is also used in the manufacture of belts, dynamic and static seals and hoses that are used in the automotive industry. It is manufactured with a selective hydrogenation process of NBR butadiene groups thereby increasing its ozone resistance and high temperature resistance quality by many folds.

Petropedia explains Hydrogenated Nitrile Butadiene Rubber (HNBR)

Hydrogenated nitrile butadiene rubber material offers resistance of non polar and polar media due to its unique polymer structure and thus, it is a preferred choice of material in the automobile and engine manufacturing industries. Hydrogenated nitrile butadiene rubber is at times more preferred than nitrile butadiene rubber due to the fact that it offers great resistance towards abrasion and it has good mechanical properties. This type of rubber can be applied in areas where mineral oils and greases are used, and can be used in temperatures ranging from -300 C to 1450 C.

Due to its abrasion resistance as well as oil resistance properties, this type of rubber material is used in the manufacture of actuator seals, o-rings, static seals and lip seals.

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