Trade Names
  • Zetpol — Zeon
  • Therban — Arlanxeo
ASTM D1418 Designation
HNBR
ASTM D2000/SAE J200 Type, Class
DH
Apple Compound Designation
HN, ZT
Standard Color
Black
Description
HNBR is the product of the hydrogenation of Nitrile rubber, resulting in varying degrees of saturation of the polymeric chain, along with a range of enhanced physical strength and chemical resistance properties.
Key Uses
  • Oil resistant applications, including exposure to such oil additives as detergents, antioxidants and anti-wear agents.
  • Exposure to oil soured with metal sludge.
  • Seals for oil well applications.
  • Seals for automotive fuel handling systems.
  • Seals for general industrial usage.
Temperature Range
  • Standard Compound: -30°F to +300°F. (Dry Heat Only)
  • Special Compounds: -76°F to +347°F.
Hardness (Shore A)
50 to 90
Features
  • Like Nitrile, increasing acrylonitrile content improves oil resistance at a cost of reduced low temperature performance.
  • Saturation of polymer chains improves ozone and weathering resistance.
  • Higher physical properties are good for downhole applications where high pressure is used.
Limitations
Like Nitrile, HNBR is not recommended for exposure to ethers, esters, ketones, or chlorinated hydrocarbons.

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