NBR O-ring for Mist Nozzle

NBR O-ring for Mist Nozzle
Number :
 439
Brand :
 RELAB
Color :
 Black
Operating Temp. :
 -20~80 °C
MOQ :
 100 PCS

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NBR O-ring for Mist Nozzle

Nitrile rubber (NBR) is the general term for acrylonitrile butadiene copolymer. The acrylonitrile content of nitrile sealing compounds varies considerably (18% to 50%) and influences the physical properties of the finished material. The higher the acrylonitrile content, the better the resistance to oil and fuel. At the same time, elasticity and resistance to compression set is adversely affected. In view of these opposing realities, a compromise is often drawn, and a medium acrylonitrile content selected. NBR has good mechanical properties when compared with other elastomers and high wear resistance. NBR is not resistant to weathering and ozone.

Heat resistance
• Up to 100°C (212°F) with shorter life @ 121°C (250°F)

Cold flexibility
• Depending on individual compound, between -34°C and -57°C (-30°F and -70°F)

Chemical resistance
• Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel,fuel  
  oils) vegetable and mineral oils and greases.
• HFA, HFB and HFC hydraulic fluids
• Dilute acids, alkali and salt solutions at low temperatures
• Water (special compounds up to 100°C) (212°F)

Not compatible with:
• Fuels of high aromatic content (for fl ex fuels a special compound must be used).
• Aromatic hydrocarbons (benzene)
• Chlorinated hydrocarbons (trichloroethylene)
• Polar solvents (ketone, acetone, acetic acid, ethylene-ester)
• Strong acids
• Brake fluid with glycol base
• Ozone, weather and atmospheric aging


For the nozzle O-ring, the recommended temerature is -20°C to 80°C.

Print itPrintable version

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