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Nitrile Rubber

What is Nitrile Rubber

NBR, also known as butadiene-acrylonitrile rubber, is a kind of synthetic rubber made from butadiene and acrylonitrile by emulsion polymerization.
The acrylonitrile content (%) of NBR is 42-46, 36-41, 31-35, 25-30, 18-24, etc. The more the acrylonitrile content is, the better the oil resistance is, but the cold resistance decreases accordingly, and it can be used for a long period of time in the air at 120℃ or in the oil at 150℃. It is mainly produced by low-temperature emulsion polymerization method, with the advantages of good oil resistance, high abrasion resistance, good heat resistance and strong adhesive force, no allergic reaction to human skin, non-toxic, harmless, widely used in the production of a variety of oil-resistant rubber products, a variety of oil-resistant gaskets, gaskets, casing, flexible packaging, flexible hose, dyeing and printing rubber rollers, cable rubber materials, etc., and has become an indispensable in the automotive, aviation, petroleum, copying and other industries. Elastic material.

It is mainly used in aviation, automobile, printing, textile and machinery manufacturing. Due to the development of NBR modified varieties, the application prospect of NBR has been expanded. It is summarized as follows: the manufacture of spare Shantou box, fuel oil pipe, oil limb cloth, oil seal, gasoline pipe, oil-resistant rubber parts and all kinds of products in contact with Shantou, and so on. Buna-N has good compatibility with PVC and acid resin, so it is often blended with resin for material modification. NBR is often blended with resins for material modification. PVC is often used to improve the processing performance and impact resistance, and PANAL resin is used to obtain the forgivable material and to make the fluid material after mixing with asphalt.