Nitrile Rubber – What You Need To Know

The chemical characteristics of nitrile rubber are influenced by the specific ratios of acrylonitrile and butadiene in the copolymer.

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1. Notably, nitrile rubber exhibits exceptional resistance to oils and greases, rendering it perfect for environments where these substances are prevalent.
2. It also remains resilient against a multitude of other chemicals, covering acids, alkalis, and various solvents.
3. This material is designed for durability, withstanding substantial temperatures and pressures.
4. With good compression set resistance, nitrile rubber retains its form and maintains a tight seal even under repeated pressure.
5. Nitrile rubber is known for being cost-effective and readily available.
6. Its ease of use makes it an excellent candidate for customized applications.

Nitrile rubber NBR is offered in both standard and high-performance versions. While standard nitrile rubber provides decent oil resistance, the high-performance variant significantly improves resistance across a broader spectrum of chemicals, including solvents and acids.

However, it's critical to acknowledge that with the growing adoption of biofuels, several grades of nitrile may not be compatible. In such cases, a PVC/nitrile blend or a fluoroelastomer is recommended.

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For those interested, an insightful article delving deeper is available here.

Nitrile Rubber: Engineered for Oil Resistance

In contrast to natural rubber and other comparable materials, nitrile gaskets and components boast superior resistance to heat aging. This distinctive quality provides nitrile an edge, as it prevents hardening and loss of damping properties at the same rate seen in natural rubber and other alternatives. Additionally, nitrile rubber is an excellent candidate for uses requiring both abrasion resistance and metal adhesion.

Thanks to its versatility and robust resistance capabilities, nitrile material finds applications not just in oil and fuel scenarios but also where heat, abrasion, water, and gas permeability resistance are critical. From oil rigs to bowling alleys, nitrile rubber serves as a fitting material for a wide array of applications.

Timco collaborates with diverse industries to deliver custom molded and die-cut nitrile components, tailored to rigorous physical specifications. Whether referred to as Buna-N seals, NBR o-rings, or under another name, our team is equipped to design and supply the most efficient, cost-effective molded or die-cut components suitable for your needs.