What is carboxylated NBR?

What is carboxylated NBR?

Carboxylated Nitrile (XNBR) is a special type of nitrile polymer that exhibits enhanced tear and abrasion resistance. For this reason, XNBR based materials are often specified for dynamic applications such as rod seals and rod wipers. Heat resistance. • Up to 100°C (212°F) with shorter life @ 121°C (250°F).

What is carboxylated rubber?

Carboxylated-Nitrile-Butadiene-Rubber (XNBR) Produced by adding a carboxylic acid group to a nitrile-rubber, this material contains more cross-linking points than the common NBR. The result is a major resistance to swelling and abrasion as well as higher tensile and breaking strengh.

What is NBR elastomer?

NBR, Buna-N, and nitrile all represent the same elastomer based on a butadiene and acrylonitrile copolymer. Nitrile is inherently resistant to hydraulic fluids, lubricating oils, transmission fluids and other non-polar petroleum based products due to the polar structure of this elastomer.

What type of rubber is NBR?

synthetic rubber
nitrile rubber (NBR), also called nitrile-butadiene rubber, an oil-resistant synthetic rubber produced from a copolymer of acrylonitrile and butadiene. Its main applications are in fuel hoses, gaskets, rollers, and other products in which oil resistance is required.

What is the difference between NBR and nitrile?

Nitrile Rubber is a Man-Made Polymer. By way of contrast, nitrile rubber, also known as NBR or Buna-N, is a man-made polymer produced under controlled conditions. It was developed during World War II in response to a growing need for oil-resistant rubber that could serve as a more durable alternative to natural rubber.

Is nitrile and NBR the same?

Nitrile rubber, also known as NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene.

Is NBR natural rubber?

Is EPDM the same as natural rubber?

Ethylene propylene rubber is commonly produced as EPDM sheet rubber, which is used to create gaskets, seals, protective pads, and other various products. This rubber essentially mirrors many of the physical properties of natural rubber and adds the all-important functional property of weathering resistance.

Which is better NBR or EPDM?

Although EPDM and nitrile are both synthetic rubbers, they are not the same material as EPDM is better resistant to outdoor environments than nitrile, and nitrile is better resistant to oils and greases than EPDM.

Is nitrile an elastomer?

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.

Which is better EPDM or NBR?

What is difference between EPDM and nitrile rubber?

For a durable ‘O’ ring that performs well in ozone, sunlight, steam and a reasonably wide temperature range, EPDM is the obvious choice. However, where UV and ozone are not a factor but fuels are, nitrile offers a reliable and cost-effective option for a wide range of general-purpose applications.

Is NBR the same as EPDM?

NBR and EPDM are two types of rubber materials. NBR stands for Nitrile Butadiene Rubber while EPDM stands for Ethylene Propylene Diene Monomer Rubber. The key difference between NBR and EPDM is that NBR is a non-aromatic polymer compound, whereas EPDM is an aromatic polymer.

What is the difference between NBR 70 and NBR 90?

The Nitrile 90 durometer material is a harder rubber compared to the Nitrile 70. If you need properties that are different than the ones listed below, please review all of our other popular materials or we can compound the formulation of the rubber material so that the Nitrile 90A rubber specifications suit your needs.

What is NBR PVC?

NBR/PVC compounds are homogenous butadiene and acrylonitrile copolymer blends with PVC that uses CA/ZN based stabilizers. NBR/PVC blends are recommended for applications that require good resistance to the elements and organic liquids, such as aliphatic oils and nonpolar solvents.

Is Nitrile and NBR the same?