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SCF

Particle Size   Hardness
microns 6 SSH 91
µ·inches 240    
Coefficient of Thermal Expansion Electrical Resistivity
microns/m °C 7.6 µ·ohm·cm 2,800
µ·in/in °F 4.2 µ·ohm·in 960
Compressive Strength Apparent Density
N/mm2 170 g/cc 1.77
psi 25,000 lb/in3 0.0640
Flexural Strength Thermal Conductivity
N/mm2 95 watts/m K 60
psi 13,500 BTU·ft/hr·ft2·°F 35
Tensile Strength (1) Oxidation Threshold (2)
N/mm2 65 °C 480
psi 9,500 °F 900

(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.