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Pyrolytic Graphite Carbon Foil

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Commodity: Metals Material: Carbon Form: Foil/Film/Sheet Composition: C Grade: Pyrolitic Graphite CAS Number: 7440-44-0 Purity: 99.99%
Pyrolytic Graphite Carbon Foil is a highly oriented material with excellent in-plane thermal conductivity, low Z background, and chemical inertness, making it suitable for thermal interface layers, neutron and X-ray scattering substrates, and ion beam targets. In research and laboratory setups, it is frequently used for surface science studies, calibration standards, and high-vacuum environments due to its low outgassing and dimensional stability. Its layered structure allows precise cleaving for TEM grid supports and Raman spectroscopy applications. The material's electrical anisotropy and high temperature resistance support its integration in microelectronics, photonics experiments, and advanced materials development across applied physics and engineering domains.
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Material Properties

Atomic Properties
Element Value
Atomic number 6
Crystal structure Hexagonal/Diamond
Electronic structure He 2s² 2p²
Valences shown 2, 3, 4
Atomic weight( amu ) 12.011
Thermal neutron absorption cross-section( Barns ) 0.0034
Photo-electric work function( eV ) 4.8
Natural isotope distribution( Mass No./% ) 12/ 98.89
Natural isotope distribution( Mass No./% ) 13/ 1.11
Atomic radius - Goldschmidt( nm ) 0.077
Ionisation potential( No./eV ) 6/ 490
Ionisation potential( No./eV ) 4/ 64.5
Ionisation potential( No./eV ) 1/ 11.26
Ionisation potential( No./eV ) 3/ 47.9
Ionisation potential( No./eV ) 2/ 24.38
Ionisation potential( No./eV ) 5/ 392
Mechanical Properties
Element Value
Hardness - Mohs 0.5-1
Hardness - Mohs 10
Material condition Diamond
Material condition Graphite
Bulk modulus( GPa ) 33
Bulk modulus( GPa ) 542
Tensile modulus( GPa ) 4.8
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 1375@0°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.7
Physical Properties
Element Value
Boiling point( C ) 5000
Density( gcm⁻³ ) 2.25@20°C
Thermal Properties
Element Value
Melting point( C ) 3650
Specific heat( J K⁻¹ kg⁻¹ ) 712@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 80-240@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 0.6-4.3@0-100°C
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Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Carbon Form: Foil Composition: C Grade: Pyrolitic Graphite CAS Number: 7440-44-0 Purity: 99.99%

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Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%