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Nitrile Rubber

NBR is a light brown elastomer. It is one of the most representative rubbers with excellent comprehensive properties such as oil resistance, physical and mechanical properties, and chemical resistance.


Nitrile rubber is made from butadiene and acrylonitrile through emulsion polymerization. Nitrile rubber is mainly produced by low-temperature emulsion polymerization.


Nitrile rubber has better heat resistance. Its heat resistance is better than natural rubber, butadiene rubber and styrene-butadiene rubber. The long-term use temperature can reach 100oC, and it can be used for 40 days at 120 ℃.

① Ozone resistance is worse than CR and better than NR

② Give the rubber good physical and mechanical properties and wear resistance through reinforcement

③ When the content of acrylonitrile and nitrile rubber is 39%, the air tightness is equivalent to that of IIR rubber, and the air tightness is better.

④ General low temperature flexibility

⑤ Excellent antistatic performance

⑥ The plasticizing effect of polar lipids is better

⑦Good compatibility with polar substances (such as PVC, acid resin, nylon)

⑧ Poor composition, low self-adhesion, and large heat generation during mixing



NBR is widely used in the manufacture of various oil-resistant rubber products, such as O-rings, loops, hoses and fuel tank linings, printing cylinders, tank linings, insulated floor panels, oil-resistant soles, hard rubber parts, and fabric coating , Pipe thread protective layer, pump impeller, wire cover, adhesive, film for food packaging, rubber gloves and other fields.

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