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PLS

Particle Size   Hardness
microns 10 SSH 65
µ·inches 400    
Coefficient of Thermal Expansion Electrical Resistivity
microns/m °C 8.3 µ·ohm·cm 1,220
µ·in/in °F 4.6 µ·ohm·in 480
Compressive Strength Apparent Density
N/mm2 110 g/cc 1.82
psi 15,500 lb/in3 0.0660
Flexural Strength Thermal Conductivity
N/mm2 60 watts/m K 105
psi 8,500 BTU·ft/hr·ft2·°F 60
Tensile Strength (1) Oxidation Threshold (2)
N/mm2 40 °C 460
psi 6,000 °F 860

(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.