Wholesale OEM/ODM Ferro Silicon/ferrosilicon/fesi Powder With Low

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Tungsten powder
Chemical compositions:

Impurities (%) FW-1 FW-2
W contents (%) ≥ 99.95%
Al 0.001 0.002
Fe 0.005 0.003
Mo 0.005 0.001
Mn 0.001 0.001
As 0.002 0.002
Sb 0.0005 0.001
Sn 0.0003 0.001
Bi 0.0001 0.001
Pb 0.0001 0.001
Ni 0.002 0.004
Mg 0.001 0.002
Cu 0.0007 0.001
Ca 0.002 0.004
Si 0.002 0.005
Na 0.002 0.003
K 0.001 0.001
P 0.001 0.003
C 0.005 0.008

Product specifications:

Model 10 15 20 30 40 55 70 80
Fischer particle size(μm) 1.01-1.5 1.51-2.0 2.01-3.0 3.01-4.0 4.01-5.5 5.51-7.0 7.01-15 15.01-20
Oxygen content, not greater than (%) 0.3 0.3 0.25 0.25 0.25 0.2 0.2 0.1

Status: dark gray powder.
Package: Put the product into an iron drum lined with plastic bags, the net weight of each drum is 100kg or 50kg, and it is sealed tightly.


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