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Tungsten Powder

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  • Ammonium Paratungstate is the main intermediate produced at Micrometals Technology. APT is calcined to yellow or blue oxide .


  • Yellow or blue oxide is then reduced to tungsten metal powder by dry hydrogen. The reduction is carried out in pusher furnaces, in which the powder passes through the furnace in boats at 700-1000C depending on the desired particle size.

Grade

Purity(%)

Apparent
Density (g/cm3)

Oxygen Content
%

Particle Size ()

Morphology

M-ONE

99.5

1.2

0.6

1.0

Irregular

M-THREE

99.6

2.5

0.5

3.0

Irregular

M-FIVE

99.6

4.0

0.4

5.0

Irregular

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