Vulcan

Rubber molding material family

Nitrile and hydrogenated nitrile rubber

Oil, fuel and powertrain sealing families with tunable low temperature behavior.

8 property checks5 commercial examples13 supplier paths

Property screen

Useful ranges and selection cautions.

These are family level planning ranges. The selected commercial grade and its current data sheet control the design.

Typical densityAbout 0.95 to 1.35 compounded
HardnessAbout Shore 40A to 95A
TemperatureNBR about minus 35 to 120 °C, HNBR higher
Oil resistanceGood to excellent with higher ACN
Fuel resistanceGrade and blend dependent
OzoneHNBR strong, NBR needs protection
Low temperatureTrades against ACN and fluid resistance
Key cautionExact fluid, sour gas, compression set and cure

Typical applications

Where this family enters a shortlist.

  • Oil seals
  • Fuel system seals
  • Diaphragms and boots
  • Powertrain gaskets

Questions before approval

What can change the decision.

  1. Which oil or fuel formulation is used?
  2. What low temperature flexibility is needed?
  3. Is ozone or hot air aging critical?

Existing material names

Commercial families to start the search.

These names are examples within the broader family. They are not presented as equivalent grades or approved substitutions.

ARLANXEO Krynac and TherbanZeon Nipol and ZetpolLG Chem NBRKumho KNBNantex NBR