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NBR is an important synthetic rubber product. It is widely used in the transportation of hydrocarbon compounds such as petroleum, gasoline, diesel, etc., and has good oil resistance. The reason why its oil resistance is so good is mainly attributed to several key factors
Molecular structure is the key factor
NBR rubber is a synthetic rubber whose main chain is composed of unsaturated bonds. This makes it have high elasticity, wear resistance and aging resistance. At the same time, NBR rubber molecular chain contains a large number of carbon-carbon double bonds. The presence of these double bonds makes NBR rubber have strong chemical activity. Therefore, it can react chemically with oil substances to improve its oil resistance.
Chemical property
NBR rubber has good chemical stability and can resist the erosion of most organic solvents, fuels and lubricants. This is because the carbon-carbon double bonds can react with oil substances to form stable addition products, thereby preventing oil substances from further eroding the rubber. In addition, NBR rubber also has certain acid resistance, alkali resistance and salt resistance. It can maintain good oil resistance in a variety of environments.
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