Hydrogenated nitrile natural rubber (HNBR)

HNBR O-rings

HNBR O-Rings from COG

Seals made of HNBR are characterised by excellent properties that include high resistance to mineral oils with additives, low steam and gas permeability, good cold flexibility down to -30 °C depending on type, good ozone resistance and friction resistance. HNBR seals withstand heat up to 150°C.

The properties and data given in materials summary are solely informative and general in character and not to be considered binding. Values applicable to specific cases may vary greatly depending on raw materials used and operating conditions. Please therefore contact our Applications Technology departmen before selecting any specific material to discuss with them what the optimal solution for your application need/s might be.

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