POCO produces two metallic
impregnations for graphites-copper and tungsten. Copper
increases both the electrical and thermal conductivity
of graphite. The addition of tungsten allows the graphite
to be visible under x-ray.
POCO produces a specialty, blended material, AXF-5Q10W
for biomedical applications. This material combines high
strength premium graphite with tungsten to produce a
material, which is both strong and visible under x-ray.
The tungsten impregnation is 10% by weight.
Copper increases both electrical and thermal conductivity
of the graphite. In some applications, copper impregnated
materials offers increased wear resistance for long life.
Both semiconductor and industrial materials have a copper
impregnated grade, typically a 5 micron grain size material.
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