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| General purpose extruded graphite, having good resistance to thermal shock. It has good dimensional, electrical and thermal stability, with high density and mechanical strength.
Typical Applications
Crucibles and sintering boats.
Furnace parts.
Heating elements.
Machined components.
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| Machined graphite heaters & interconnectors |
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| Density |
g/cc
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1.73
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| Particle size max/average |
mm
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0.38 / 0.14
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| Helium porosity |
%
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15
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| Permeability |
Darcy's
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0.004
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0.004
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| Specific electrical resistance |
u ohm M
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7
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9.8
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| Thermal conductivity |
W/m ºC
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180
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120
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| Flexural strength |
MPa
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23
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16
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| Tensile strength |
MPa
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19.5
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12.5
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| Compressive strength |
MPa
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48
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| Young's modulus |
GPa
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11.5
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6.8
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| Coefficient thermal expansion (30 to 100ºC) |
10-6 / ºC
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2.2
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3.9
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| Linear scale hardness |
MPa
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230
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| Ash content |
%
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0.07
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| Iron content |
ppm
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90
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