Flexible Graphite Foil (C000305)

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Description

The flexible graphite foil is manufactured from high quality expanded natural graphite free of adhesives and binders. Inhibitors can be added to enhance the performance.


It offers outstanding protection against oxidation for greater reliability and longer service life.

This material data has been provided by Matmatch.

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

PropertyTemperatureValueComment

Bulk density

23.0 °C

1 g/cm³

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Permeability coefficient

23.0 °C

2E-5 cm²/s

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for air through plane

Mechanical

PropertyTemperatureValueComment

Compressibility factor

23.0 °C

45 %

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DIN 28090-2

Elastic modulus

23.0 °C

0.7 GPa

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DIN 28090-1

Elongation

23.0 °C

1 %

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Gasket factor "m"

23.0 °C

2 N/mm²

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Gasket factor "y"

23.0 °C

10 N/mm²

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Hardness, Shore D

23.0 °C

30 [-]

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Hot creep compression factor

23.0 °C

3 %

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DIN 28090-2

Recovery compression factor

20.0 °C

5 %

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DIN 28090-2

300.0 °C

4 %

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DIN 28090-2

Tensile strength

23.0 °C

4 MPa

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Thermal

PropertyTemperatureValueComment

Ash content

23.0 °C

0.15 %

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DIN 51903

Coefficient of thermal expansion

1000.0 °C

1E-6 1/K

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Coefficient of thermal expansion, transverse

1000.0 °C

5E-5 1/K

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Thermal conductivity

20.0 °C

200 W/(m·K)

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Thermal conductivity, through-plane

20.0 °C

5 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8E-6 Ω·m

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Electrical resistivity, transverse

20.0 °C

6.5E-4 Ω·m

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Chemical properties

PropertyValueComment

Carbon

99.85 %

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Chlorine

1E-3 %

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Fluorine

1E-3 %

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Other

5E-3 %

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halogen content

Sulfur

0.03 %

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Technological properties

Property
Application areas

Metallic gaskets such as spiral wound gaskets, corrugated metal gaskets and kammprofile gaskets, compression packing for stuffing boxes

Corrosion inhibitor

Passive corrosion inhibitor (ASTM F 2168-13)

Other

The key feautres are: Soft and flexible, inert and highly impermeable to gases and liquids, fire safe; Asbestos-free, no associated health risks; Free of any polymers or organic binders; No aging or fatigue under dynamic load even at elevated temperatures; Even in long term services, no noticeable changes in properties; No measurable cold or warm flow characteristics up to the maximum permissible gasket stress; Electrically conductive, no static charge; Excellent chemical resistance and high thermal shock capability; Operating temperatures from cryogenic to super-heated steam temperature. Life time might be limited by the joint design, actual equipment temperatures and operating temperatures; Easy handling and processability during assembly or punching

Oxidation inhibitor

Yes