Time：2019-09-11 17:49:32View：次
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Nitrile rubber is made by copolymerization of acrylonitrile and butadiene. The content of acrylonitrile is 18% ~ 50%. The higher the content of acrylonitrile is, the better the resistance to hydrocarbon fuel oil of petrochemical oil is, but the performance at low temperature becomes worse. NBR is one of the most commonly used rubber for oil seal and O-ring. Generally, the temperature range is - 25 ~ 100 ℃.
Advantage:
It has good properties of oil resistance, water resistance, solvent resistance and high pressure oil resistance.
Good compression set, wear resistance and elongation.
Disadvantages:
Not suitable for use in polar solvents such as ketones, ozone, nitrohydrocarbons, MEK and chloroform.
Application fields:
It is used to make fuel tank, lubricating oil tank and rubber parts, especially sealing parts, used in petroleum hydraulic oil, gasoline, water, silicon grease, silicon oil, diester lubricating oil, glycol hydraulic oil and other fluid media. It can be said that it is the most widely used and the lowest cost rubber seal at present.
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