SIGRATHERM® High Density Graphite Foil

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Description

Antimony impregnated carbon graphite. SIGRAFINE® is the new brand name for our fine-grain graphites, previously known under the names RINGSDORFF®, SIGRAFORM®, SIGRAMENT® and CRYSTA-SIL®.

This material data has been provided by SGL Carbon.

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

PropertyTemperatureValue

Density

23.0 °C

1.3 - 1.8 g/cm³

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Dimension

PropertyValue

Thickness

0.15 - 1.5 mm

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Dimensions

Available in roll or sheet format depending on thickness and density.

Thermal

PropertyTemperatureValueComment

Thermal conductivity

23.0 °C

300 - 500 W/(m·K)

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in plane

Thermal conductivity, through-plane

23.0 °C

5 W/(m·K)

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through plane

Electrical

PropertyTemperatureValueComment

Electrical resistivity

23.0 °C

5E-6 Ω·m

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in plane

Electrical resistivity, transverse

23.0 °C

8E-4 Ω·m

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through plane

Technological properties

Property
Application areas

Many heat dissipation applications benefit from the outstanding properties of our SIGRATHERM high density (HD) foils.