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Xiamen Seals Technology Co.,Ltd
Address: Unit233, No.273, Lingxia North RD, Huli High technology District, Xiamen, China
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NBR Oring

Nitrile Buna-N O RINGS

Nitrile Buna-N O RINGS

Nitrile (Buna-N) O RINGS is very suitable use for feul injector o ring, its very good at feul resistance and excellent abrasion-resistance, good rebound resistance. if your feul injector will be used in a high temperature situation....
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Nitrile (Buna-N) O RINGS

Buna-N O-rings Features

  • Resistant to: air, alcohols, alkalines, diluted acids, engine coolants, gasoline, water, hydraulic fluids, mineral oil, silicone greases, motor oil, vegetable oil

  • Do not use with: brake fluids, acetones

  • Operational temperature range: -40°F to 250°F (-40°C to 121°C)

  • Hardness range (durometer): 40-90

  • Standard hardness: 70 Shore A

  • Tensile range: 200-3000 psi

  • Maximum elongation: ≈300%

  • Adheres well to metals

  • Standard color: black; custom colors are available upon request


Buna-N is a copolymer of Acrylonitrile and Butadiene. Nitrile is the most commonly used elastomeric material for molded and extruded products. This material offers relative low cost, good mechanical properties, and resistance to many common oils, fuels and lubricants. NBR has poor resistance to weathering, sunlight and ozone so it is best used in enclosed environments where parts are not exposed to the elements.

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