Graphite GRI

Alternative and trade names
GRI
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Description

GRI™ insulation is a rigid and sturdy material made with 100% bonded carbon fiber. This product has been a mainstay in several industries for the processing of high-value materials and parts. GRI™ insulation panels feature outstanding durability, typically providing years of service. The strength-to-weight ratio is such that the product features low thermal mass and easy handling while being strong enough to withstand rapid temperature and pressure fluctuations. Available in a variety of panel sizes as well as customized parts, GRI™ insulation is easily machined and able to hold fine detail.

This material data has been provided by Advanced Graphite Materials.

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

0.18 g/cm³

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Porosity

90 %

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Mechanical

PropertyTemperatureValue

Compressive strength

23.0 °C

0.3 MPa

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Compressive strength, transverse

23.0 °C

1 MPa

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Flexural strength

23.0 °C

1.1 MPa

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Flexural strength, transverse

23.0 °C

0.2 MPa

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Thermal

PropertyTemperatureValueComment

Ash content

23.0 °C

0.15 %

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Coefficient of thermal expansion

23.0 °C

3.3E-6 1/K

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average for 20-100°C

Coefficient of thermal expansion, transverse

23.0 °C

3E-6 1/K

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average for 20-100°C

Thermal conductivity, in-plane

20.0 °C

0.39 W/(m·K)

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1500.0 °C

1.5 W/(m·K)

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Thermal conductivity, through-plane

20.0 °C

0.18 W/(m·K)

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1500.0 °C

0.45 W/(m·K)

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Unlock all property charts

Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

6.7E-4 Ω·m

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Electrical resistivity, transverse

23.0 °C

4.7E-3 Ω·m

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Chemical properties

PropertyValue

Carbon

99.9 %

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Technological properties

Property
Application areas

Vacuum furnace insulation, Inert atmosphere furnace insulation, Inert atmosphere process equipment insulation, Semiconductor crystal growing furnace insulation

Processing history

Hard felt