Trade Names
  • Perbunan — Arlanxeo
  • Nipol — Zeon
  • Krynac — Arlanxeo
ASTM D1418 Designation
NBR
ASTM D2000/SAE J200 Type, Class
BF, BG, BK, CH
Apple Compound Designation
BN
Standard Color
Black
Description
Presently, the seal industry's most widely used and economical elastomer, Nitrile combines excellent resistance to petroleum-based oils and fuels, silicone greases, hydraulic fluids, water and alcohols, with a good balance of such desirable working properties as low compression set, high tensile strength and high abrasion resistance. Use of Carboxylated Nitrile can have superior abrasion resistance, while still having improved oil resistance.
Key Use
  • Oil resistant applications of all types.
  • Low temperature military uses. Off-road equipment.
  • Automotive, marine, aircraft fuel systems.
  • Can be compounded for FDA applications.
Temperature Range
  • Standard Compound: -40°F to +257°F
  • Special Compounds: -67°F to +275°F (Dry Heat Only)
Hardness (Shore A)
40 to 90.
Features
  • Comprised of the copolymer butadiene and acrylonitrile, in varying proportions.
  • Use of Carboxylated Nitrile can have superior abrasion resistance, while still having improved oil resistance.
Limitations
Nitrile compounds are attacked by small amounts of Ozone. Phthalate type plasticizers are commonly used in compounding Nitrile rubber. These plasticizers can migrate out and cause problems with certain plastics. Also, new regulation on certain phthalates have limited their use.

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