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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.

Machined graphite heaters & interconnectors
Machined graphite heaters & interconnectors
UNITS
LONGITUDINAL
TRANSVERSE
Density
g/cc
.
1.73
.
Particle size max/average
mm
.
0.38 / 0.14
.
Helium porosity
%
.
15
.
Permeability
Darcy's
0.004
.
0.004
Specific electrical resistance
u ohm M
7
.
9.8
Thermal conductivity
W/m ºC
180
.
120
Flexural strength
MPa
23
.
16
Tensile strength
MPa
19.5
.
12.5
Compressive strength
MPa
48
.
.
Young's modulus
GPa
11.5
.
6.8
Coefficient thermal expansion (30 to 100ºC)
10-6 / ºC
2.2
.
3.9
Linear scale hardness
MPa
.
230
.
Ash content
%
.
0.07
.
Iron content
ppm
.
90
.
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