Type T Ammonium Paratungstate (T-APT)
Technical Specifications
|
Parameter |
Specification |
Typical Value |
|
Al(ppm) |
≤5 |
3 |
|
As(ppm) |
≤10 |
5 |
|
Bi(ppm) |
≤1 |
1 |
|
Ca(ppm) |
≤10 |
5 |
|
Cd(ppm) |
≤10 |
3 |
|
Co(ppm) |
≤10 |
5 |
|
Cu(ppm) |
≤3 |
3 |
|
Fe(ppm) |
≤10 |
5 |
|
K(ppm) |
≤5 |
3 |
|
Mg(ppm) |
≤5 |
3 |
|
Mn(ppm) |
≤5 |
3 |
|
Mo(ppm) |
≤20 |
5 |
|
Na(ppm) |
≤3 |
1 |
|
Ni(ppm) |
≤5 |
1 |
|
P(ppm) |
≤1 |
1 |
|
Pb(ppm) |
≤1 |
1 |
|
S(ppm) |
≤5 |
1 |
|
Sb(ppm) |
≤5 |
1 |
|
Si(ppm) |
≤10 |
3 |
|
Sn(ppm) |
≤2 |
1 |
|
Ti(ppm) |
≤10 |
3 |
Product Features:
Large particle size, high apparent density, good flowability, and high-purity chemical composition.
Product Applications:
Mainly used for producing high-quality tungsten powder and tungsten carbide powder. Due to its high density and good flowability, it is suitable for powder metallurgy processes requiring high loading volume and rapid transfer. Typically serves as the base material for producing conventional particle size tungsten carbide.
Type L Ammonium Paratungstate (L-APT)
Technical Specifications
|
Parameter |
Specification |
Typical Value |
|
Al(ppm) |
≤5 |
3 |
|
As(ppm) |
≤10 |
5 |
|
Bi(ppm) |
≤1 |
1 |
|
Ca(ppm) |
≤10 |
5 |
|
Cd(ppm) |
≤10 |
3 |
|
Co(ppm) |
≤10 |
5 |
|
Cu(ppm) |
≤3 |
3 |
|
Fe(ppm) |
≤10 |
5 |
|
K(ppm) |
≤5 |
3 |
|
Mg(ppm) |
≤5 |
3 |
|
Mn(ppm) |
≤5 |
3 |
|
Mo(ppm) |
≤20 |
5 |
|
Na(ppm) |
≤3 |
1 |
|
Ni(ppm) |
≤5 |
1 |
|
P(ppm) |
≤1 |
1 |
|
Pb(ppm) |
≤1 |
1 |
|
S(ppm) |
≤5 |
1 |
|
Sb(ppm) |
≤5 |
1 |
|
Si(ppm) |
≤10 |
3 |
|
Sn(ppm) |
≤2 |
1 |
|
Ti(ppm) |
≤10 |
3 |
Product Features:
Fine particle size, low apparent density, high reactivity (due to fine crystal structure), and strictly controlled impurities.
Product Applications:
Suitable for producing fine or ultra-fine tungsten powder / tungsten carbide powder. Due to its high specific surface area, it facilitates the production of finer metal powder during the reduction process, making it ideal for high-performance cemented carbides.
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