Breadcrumb: Gasket Materials > Buna-N (Nitrle) Gasket Material

Buna-N (Nitrle) Sheet Gasket Material

Buna-N (Nitrle) sheet gasket material is available in a wide range of durometers. The durometer of rubber sheet represents how soft it is. The lower the number the softer the material. Buna-n sheet has very good resistance to many oils and chemicals. The temperature rating of Buna-N is -20F to 170F

Nitrile (Nitrile-N)
Trade Names: Chemigum Hycar (Zeo (Goodyear)n Chemical) Ny Syn (Copolymer) Paracril (Uniroyal) Krynac (Polysar) PerNitrilen (Mobay)
The most widely used 0-Ring elastomer. Excellent resistance to petroleum products. Excellent compression set, tear and abrasion resistance.
Does not have good resistance to ozone, sunlight, or weather, unless specifically compounded. Should not be stored in direct sunlight or near motors or other electrical equipment which may generate ozone. Temperature range: -40 to +250F.
  • STYLE 0726T
  • STYLE 0726H
  • STYLE 0726W


Buna-N Gasket Material

Nitrile-N 70 Durometer for Transformer Gaskets and Strip Especially selected for the fabrication of gaskets and strip for transformers. High resistance to transformer oils. Durometer 705.

  • Tensile strength: 1500 PSI
  • Elongation: 250%
  • Temperature range: -30F to 250F


Buna-N Gasket Material

Nitrile-N 90 Durometer Good resistance to many oils and chemicals. Durometer 905:

  • Tensile strength: 1500 PSI
  • Elongation: 100%
  • Temperature range: -30F to 250F


Buna-N Gasket Material

Nitrile-N White 50-65 Durometer
Manufactured from FDA approved ingredients. Good resistance to oily and greasy food products. Good resistance to abrasion. Non-toxic and non-marking.
Durometer 55+10/-S.

  • Tensile strength: 1000 PSI
  • Elongation: 400%
  • Temperature range: -20F to 200F

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