Styrene butadiene rubber (SBR)

Alternative and trade names
Sprintan™, Buna®, Europrene®
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Description

Styrene butadiene rubber (SBR) has a good abrasion resistance and good aging stability when protected by additives.

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

0.91 - 1.5 g/cm³

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Mechanical

PropertyValueComment

Elongation

100.0 - 800.0 %

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Tensile strength

4.0 - 30.0 MPa

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at 100-800% strain

Thermal

PropertyValueComment

Coefficient of thermal expansion

0.000180 1/K

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Max service temperature

120 °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

0.17 - 0.25 W/(m·K)

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Flammability

UL 94 HB

Optical

PropertyValue

Transparency

no

Technological properties

Property
Application areas

Tires, cable sheathing, hoses, profiles, foam rubber

Processing methods

Compression molding, extrusion, vulcanization