Methylene vinyl siloxane rubber (VMQ)

Alternative and trade names
Elastosil®, Silopren™
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Description

The high thermal stability, high tear strength, and broad range of durometers, portfolio also includes self-lubricating, low-compression-set. high-optical-transparency materials where both the excellent physical stability and processing advantages of silicone rubber are desired

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

1.05 - 1.44 g/cm³

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Mechanical

PropertyValueComment

Elongation

100.0 - 900.0 %

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Tensile strength

4.0 - 11.0 MPa

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at 100-900% strain

Thermal

PropertyValueComment

Coefficient of thermal expansion

0.00019 - 0.000255 1/K

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Max service temperature

300 °C

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Short

180 °C

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Long

Specific heat capacity

1300.0 - 1500.0 J/(kg·K)

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Thermal conductivity

0.17 - 0.22 W/(m·K)

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Flammability

UL 94 HB

Electrical

PropertyValue

Dielectric constant

2.8 [-]

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3.2 [-]

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Electrical resistivity

6000000000000.0 - 500000000000000.0 Ω·m

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Optical

PropertyValue

Transparency

yes

Technological properties

Property
Application areas

Automotive gaskets, shoe insoles, O-rings

Processing methods

Injection molding, compression molding, transfer molding, extrusion, coating, thermoforming,vulcanization