Nitrile Butadiene Rubber, Nitrile Rubber, Buna-N, Perbunan NBR, 9003-18-3

Nitrile Butadiene Rubber, Nitrile Rubber, Buna-N, Perbunan NBR, 9003-18-3

The CAS number for Nitrile-Butadiene Rubber (NBR) is 9003-18-3

Nitrile-Butadiene Rubber (NBR), also known as Buna-N or nitrile rubber, is a synthetic rubber copolymer made from acrylonitrile and butadiene. Here are some key details about NBR:

Here are the physical and chemical properties of Nitrile-Butadiene Rubber (NBR):

Physical Properties

• Appearance: Solid or viscous liquid, depending on the degree of polymerization.

• Density: 1.00 - 1.20 g/cm³.

• Temperature Range: -40°C to 108°C.

• Solubility: Soluble in oils, fuels, and other organic solvents.

Chemical Properties

• Chemical Formula: (C₃H₃N)x(C₄H₆)y.

• Molecular Weight: Variable, depending on the degree of polymerization.

• Oil Resistance: Excellent resistance to oils, fuels, and chemicals.

• Stability: Stable, but combustible. Incompatible with strong oxidizing agents.

These properties make NBR suitable for various applications, including automotive, industrial, and consumer products.

General Information

• Composition: NBR is composed of acrylonitrile and butadiene monomers. The acrylonitrile content typically ranges from 18% to 50%, which affects the rubber's properties.

• Production: NBR is produced through emulsion polymerization.

Properties

• Oil Resistance: Excellent resistance to oils, fuels, and other chemicals.

• Temperature Range: Typically between -40°C and 108°C.

• Durability: High tensile strength and abrasion resistance.

• Elasticity: Good flexibility and resilience.

Uses

• Automotive Industry: Used in fuel and oil handling hoses, seals, and grommets.

• Industrial Applications: Used in conveyor belts, hydraulic hoses, and seals.

• Consumer Goods: Used in gloves, footwear, and other items requiring oil resistance.

• Adhesives and Sealants: Used in various adhesives and sealants due to its strong bonding properties.

Advantages

• Chemical Resistance: Resistant to a wide range of chemicals, including oils and fuels.

• Versatility: Suitable for a wide range of applications due to its unique properties.

These details provide a comprehensive overview of Nitrile-Butadiene Rubber (NBR) and its significance in various industries.

Nitrile-Butadiene Rubber (NBR) is also known by several other names and classifications, depending on its composition and production process. Here are some alternative names and classifications:

• Buna-N: A trade name for NBR, derived from the German words "Butadien" and "Natrium" (sodium), which were used in the polymerization process.

• Perbunan: Another trade name for NBR, often used in Europe.

• Nitrile Rubber: A common name used to refer to NBR in various industries.

These names and classifications help to identify the specific properties and uses of the rubber.

Nitrile-Butadiene Rubber (NBR) is also known by several other names and classifications, depending on its composition and production process. Here are some alternative names and classifications:

• Buna-N: A trade name for NBR, derived from the German words "Butadien" and "Natrium" (sodium), which were used in the polymerization process.

• Perbunan: Another trade name for NBR, often used in Europe.

• Nitrile Rubber: A common name used to refer to NBR in various industries.

These names and classifications help to identify the specific properties and uses of the rubber.