Nitrile - Materials - Technical

Nitrile

Also Called
Buna N
NBR

SPB Products made from this material
O-Rings, Oil Seals, Washers

Nitrile rubber has a basic temperature range of -30oC to 100oC. It is an economic material with a high resistance to aliphatic hydrocarbon oils and fuels, but poor resistance to aromatic oils. Different grades are available. The higher the acrylonitrile (ACN) content, the higher the oil resistance but the poorer the resistance to low temperature. It has high resilience, high wear resistance, moderate strength and limited weathering resistance.

Properties of Nitrile

Physical Properties
PROPERTY UNIT VALUE
Tensile Strength MPa 14
Compression Deflection @ 25% kPa 34 - 62
Elongation Minimum at Break % 180
Operating Temp. oC -30 to 100
Water Absorption Max % Weight Change 5

Chemical Resistance
Chemical Resistance
Acids Good
Alkalis Good
Aromatic hydrocarbons Good
Chlorinated Solvents Good
Greases and Oils Good
Ketones Poor
Oxidation Good
Ozone Fair

Note! Property values are typical and should be used only as a guide to selection of materials and not as purchase specifications.

You can find nitrile products in the Small Parts and Bearings Nitrile Online Catalogue pages.


For a huge range of bearings online please visit the Bearing Shop Online Website.

Hobby and Engineering Supplies lists a smaller range of products and only the most popular items in each range. They also list many additional hobby specific categories.

For the best range of miniature and small bearings please try the Miniature Bearings Australia website. Miniature Bearings Australia also list a large variety of miniature engineering products.



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