Acrylonitrile butadiene rubber (NBR)

Alternative and trade names
Perbunan®, Baymod®, Europrene®
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Description

Nitrile butadiene rubber (NBR) is a family of unsaturated copolymers. It is resistant to oil, fuel and other chemicals (the more nitrile within the polymer, the higher the resistance to oils but the lower the flexibility of the material).

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyValue

Density

0.92 - 1.4 g/cm³

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Mechanical

PropertyValueComment

Elongation

100.0 - 700.0 %

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Tensile strength

4.0 - 25.0 MPa

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at 100-700% strain

Thermal

PropertyValueComment

Coefficient of thermal expansion

0.00015 - 0.0002 1/K

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Max service temperature

130.0 - 150.0 °C

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Short

100 °C

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Long

Specific heat capacity

1900.0 - 2000.0 J/(kg·K)

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Thermal conductivity

0.24 - 0.25 W/(m·K)

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Flammability

UL 94 HB

Optical

PropertyValue

Transparency

no

Technological properties

Property
Application areas

Automotive hoses, belt covers, footwear, O-rings, printing rolls

Processing methods

Compression molding, extrusion, vulcanization