| Customization: | Available |
|---|---|
| Purity: | >99.99% |
| Shape: | Powder |
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Tungsten powder is a bright black powder, the molecular formula is W, the relative molecular quality is 183.84. Grain size and chemical purity is the main reference index for judging the quality.The chemical purity of tungsten powder which produced by Ultra Minor Metal is in the range of 99.99~99.999% or above.Pure tungsten powder is mainly used in the semiconductor and other fields, tungsten powder preparation of high pure tungsten target and high pure tungsten target. And other sophisticated technology and materials in the field of, especially ultrapure tungsten and silicides for ultra large scale integrated circuit as a resistance layer, a diffusion barrier layer and the metal oxide semiconductor transistor as the gate material and connection materials etc..
Specification: 3-5um
Purity: 5N
Application: used for preparing high purity tungsten target and high purity tungsten alloy target material, preparing carbide tools, powder metallurgy, diamond tools, high specific gravity alloy, contacts, refractory alloy. Tungsten alloy, such as tungsten-molybdenum alloy, tungsten-rhenium alloy, tungsten-copper alloy and high density tungsten alloy
Product features: high specific gravity, high temperature resistance, high hardness
Product properties: dark gray powder
Packing: The product is packed in a double-layer polyethylene plastic bag filled with argon gas and sealed in a protective vacuum.The net weight of each bag is 5kg. The outer packing is made of metal drums or plastic boxes. The net weight of each piece is not more than 50kg for domestic transportation and 25kg for international transportation.
Chemical specification
|
Elements
|
Content ,Less than(%)
|
Elements
|
Content ,Less than(%)
|
|
W
|
≥99.95
|
Mo
|
<0.005
|
|
Fe
|
<0.005
|
Pb
|
<0.0001
|
|
Ni
|
<0.003
|
Bi
|
<0.0001
|
|
Cu
|
<0.001
|
Sn
|
<0.0003
|
|
Al
|
<0.001
|
Sb
|
<0.001
|
|
Si
|
<0.002
|
As
|
<0.001
|
|
Ca
|
<0.002
|
P
|
<0.001
|
|
K+Na
|
<0.003
|
S
|
<0.001
|
|
Mg
|
<0.001
|
C
|
<0.005
|
|
Mn
|
<0.001
|
O
|
0.03~0.2
|
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