Nitrile Rubber (NBR, Buna N)

Nitrile rubber (NBR, Buna N) is a family of unsaturated copolymers of butadiene and acrylonitrile monomers.

Nitrile Rubber (NBR, Buna N)

Nitrile rubber is a general purpose copolymer that exhibits good mechanical properties and high wear resistance compared to similar elastomers. Used in general industry, transportation and aerospace this synthetic rubber is resistant to petroleum based oil, hydrocarbon fuels, and a variety of chemicals. These properties make nitrile rubber a good candidate for hoses, fuel systems, seals, grommets, floor mats, lab gloves, and protective ware. Nitrile (NBR, Buna N) is less likely to trigger allergic reactions compared to natural rubber.

Limiting factors of Nitrile rubber are poor long term exposure to ozone sunlight and weather.

Material Specifications

  • Hardness: 20-95 Durometer – Shore A
  • Tensile Strength: 200 – 3,500 PSI
  • Elongation: 350% – 650%

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