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Momentive Performance Materials "PG" Pyrolytic Graphite

Category Carbon , Graphite
Manufacturer Momentive Performance Materials (Former GE Advanced Ceramics)
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Momentive Performance Materials "PG" Pyrolytic Graphite.pdf
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Material Notes:
Pyrolytic Graphite (PG) is a unique form of graphite manufactured by decomposition of a hydrocarbon gas at very high temperature in a vacuum furnace. The result is an ultra-pure product which is near theoretical density and extremely anisotropic. This anisotropy results from the layered structure. As an example, PG exhibits a thermal conductivity consistent with the best conductors in the "AB" plane and lower than alumina brick in the "C" direction. Mechanical thermal, and electrical properties are generally far superior to conventional graphites. Typical properties are listed below. PG is Available as plate, free-standing shapes (crucibles, boats, tubes, etc.), and as an impermeable coating on graphite and other substrates.APPLICATIONS:Sputtering TargetsIon Beam GridsIon Implant HardwareLiquid Phase Epitaxy HardwareCrucibles for Ultra High VacuumThermal InsulatorsRocket NozzlesHeater ElementsInformation provided by Momentive Performance Materials, formerly GE Advanced Ceramics.
Physical Properties Metric English Comments
Density 2.18 - 2.22 g/cc
0.0788 - 0.0802 lb/in³
c Lattice Constant 3.42 Ã…
3.42 Ã…
C/2
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 80.0 MPa
11600 psi
"ab" direction
Modulus of Elasticity 20.0 GPa
2900 ksi
Young's modulus; "ab" direction
Compressive Yield Strength 100 MPa
14500 psi
"ab" direction
Thermal Properties Metric English Comments
CTE, linear 0.500 µm/m-°C

@Temperature 20.0 °C
0.278 µin/in-°F

@Temperature 68.0 °F
ab direction
6.50 µm/m-°C

@Temperature 20.0 °C
3.61 µin/in-°F

@Temperature 68.0 °F
c direction
Thermal Conductivity >= 3.50 W/m-K
>= 24.3 BTU-in/hr-ft²-°F
in "c" direction
>= 400 W/m-K
>= 2780 BTU-in/hr-ft²-°F
in "ab" direction
Sublimation Temperature 3650 °C
6600 °F
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