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SFG

Particle Size   Hardness
microns 1 SSH 85
µ·inches 40    
Coefficient of Thermal Expansion Electrical Resistivity
microns/m °C 8.1 µ·ohm·cm 1,950
µ·in/in °F 4.5 µ·ohm·in 770
Compressive Strength Apparent Density
N/mm2 170 g/cc 1.80
psi 25,000 lb/in3 0.0650
Flexural Strength Thermal Conductivity
N/mm2 110 watts/m K 72
psi 16,000 BTU·ft/hr·ft2·°F 42
Tensile Strength (1) Oxidation Threshold (2)
N/mm2 75 °C 450
psi 11,000 °F 840

(1) Estimated at 70% of flexural strength.
(2) Temperature that results in 1% weight loss in 24 hours. Oxidation threshold increases by approximately 100� C if graphite is purified.