HNBR o-rings are made from hydrogenated nitrile specifically designed to provide superior temperature and fuel resistance compared to traditional NBR materials. HBNR o-rings also feature excellent abrasion, wear, and compression set resistance, making them a reliable o-ring in a wide range of tough applications.

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Service Temperature Range
Resistances
Low Temp. Range, °F Abbv. High Temp. Range, °F Compr. Set Oils Steam Weather/
UV		 Fuels Acids/
Solvents		 Bases Abrasion Wear Permeation
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temperature range chart
  • Excellent
  • Moderate
  • Poor
  • Specialty Compounds Only

 

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R1000
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R1001
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Common Names:

HNBR (Hydrogenated acrylonitrile butadiene rubber), Hydrogenated Nitrile.

Trade Names:

Therban®, Zetpol®

General Description:

Hydrogenated Nitrile was specifically developed for increased temperature resistance and better compatibility with new automotive fuels. Hydrogenated Nitrile also offers higher strength and minimal degradation at high temperatures. Specific physical and chemical resistances vary by compound formulation.

Features:

  • Compatible with Freon R-134a and compressor lubricant oil.
  • Extended temperature capabilities.
  • Enhanced chemical compatibility with new automotive fuels.
  • Good/Excellent resistance to compression set and tear/abrasion.
  • Good/Excellent resistance to many petroleum oils/greases, H2S, hydraulic fluids, alcohol, ambient water, silicone greases, Di-ester base lubricants, CO2 and ethylene-glycol based fluids.

Limitations:

  • Ozone, direct sunlight, UV, weathering, aromatic fuels, glycol-based brake fluids, polar solvents, non-flammable hydraulic fluids (HFD), aromatic/chlorinated hydrocarbons, ketones, esters, and aldehydes.

Service Temperature:

  • -40° to 150° C (-40° to 300° F)