N0674 2-363 | Nitrile O-Rings
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- Parker’s 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.
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- • Heat resistance
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- • Up to 100°C (212°F) with shorter life @ 121°C (250°F)
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- • Cold flexibility
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- • Depending on individual compound, between -34°C and -57°C (-30°F and -70°F)
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- • Chemical resistance
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- • Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases
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- • HFA, HFB and HFC hydraulic fluids
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- • Dilute acids, alkali and salt solutions at low temperatures
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- • Water (special compounds up to 100°C) (212°F)
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- • Used for general purpose, MIL-G-21569 CL 1, UL Listed
Description
- Part Number: N0674 2-363
- Manufacturer: Parker Hannifin
- Description: N0674-70 NBR Nitrile O-Rings
- Size: AS568-363
- Material: N0674-70
- Chemical Name: Nitrile Butadiene Rubber
- Color: Black
- CS (Cross Section): 5.33 mm/ 3/16″
- ID (Inner Diameter): 164.47 mm/ 6-1/2″
- Shore Hardness: 70 Shore A
- Operating Temperature: -30ºC to +120 ºC
- Picture for illustration purposes only
- Download Datasheet N0674-70
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