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Nitrile O-Rings


NBR (Nitrile) is the most cost effective and commonly available O-ring material. Ideal for use as seals for pumps, drive belts, and other general engineering applications in the hydraulic and pneumatic industry. NBR is good for applications where the O-ring is exposed to fats, greases and animal or vegetable oils.

For applications requiring contact with diesel or temperatures higher than 120°C you may wish to consider Polymax FKM (Viton®) O-rings.


Temperature Range

  • Up to 90°C (Intermittent)
  • Down to -30°C
  • Recommended temperature range -20°C to +90°C

Chemical resistance

  • Many hydrocarbons
  • Fats
  • Oils & Gasoline
  • Petroleum based hydraulic fluid (HFD-R)

Not compatible with:
  • Ozone
  • Esters
  • Retones
  • Aldehydes
  • Chlorinated
  • Nitro Hydrocarbons


Non-standards & Approvals

We are able to supply specially compounded O-rings. Contact us for further information +44 (0)14204 72000.


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