Category: Rubber moulding, Technical Features
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Nitrile, Buna-N or NBR rubber is a widely used elastomer, thanks in large part to its highly oil & fuel resistant properties and tensile strength. In this article, Martin&#;s Rubber Company explains more about the properties, applications, pros and cons of this versatile rubber material. Nitrile rubber is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene that you may know better under trade names like Nipol, Krynac and Europrene N. Why might you consider specifying nitrile for your application? Let&#;s find out, with a closer inspection of this rubber material.
Nitrile (also known as NBR rubber and Buna-N) is the seal industry&#;s most widely used and economical elastomer. This is partly because it displays excellent resistance to petroleum-based oils, fuels, water, alcohols, silicone greases, hydraulic fluids. However, it also has a good balance of desirable working properties like low compression set, high abrasion resistance and high tensile strength.
Nitrile is a family of unsaturated copolymers of 2-propenenitrile and butadiene monomers (1,2-butadiene and 1,3-butadiene). Its physical and chemical properties vary depending on the polymer&#;s composition of nitrile. The more nitrile there is within the polymer, the higher its resistance to oils but the lower its flexibility. Nitrile rubber is more resistant than natural rubber to oils and acids, and has superior strength, but suffers from inferior flexibility.
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Nitrile rubber is used in a wide variety of applications, such as O-rings, gaskets, oil seals, automotive transmission belts, hoses, V belts, synthetic leather, disposable non-latex gloves, printer&#;s form rollers and cable jacketing. NBR latex can also be used in the preparation of adhesives or as a pigment binder.
Nitrile offers the following advantages:
Speak to one of our advisers today to find out more about our nitrile rubber manufacturing capabilities. We can talk you through your options and give you honest and informed guidance to help you to specify the ideal product for your application. Speak to us today on 023 or [ protected]. For more information on why nitrile rubber is so popular for heat resistance, see our post: Why Buna N is so popular for use with hydrocarbons.
The post The pros and cons of nitrile rubber, NBR or Buna-N appeared first on Martin&#;s Rubber Company.
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