| Product Grade |
APT-1 |
APT-2 |
| Main Content WO3(%) |
≥88.5 |
≥88.5 |
Al |
0.0005 |
0.001 |
As |
0.001 |
0.002 |
Bi |
0.0001 |
0.0001 |
Ca |
0.001 |
0.002 |
Cd |
0.0001 |
0.0001 |
Co |
0.001 |
0.002 |
Cr |
0.001 |
0.002 |
Cu |
0.0005 |
0.0008 |
Fe |
0.001 |
0.003 |
Mg |
0.0005 |
0.001 |
Mn |
0.0005 |
0.001 |
Mo |
0.003* |
0.01* |
Na+K |
0.002 |
0.004 |
Ni |
0.0007 |
0.001 |
P |
0.0007 |
0.002 |
Pb |
0.0001 |
0.0001 |
S |
0.0007 |
0.002 |
Si |
0.001 |
0.003 |
Sb |
0.0005 |
0.001 |
Sn |
0.0001 |
0.0001 |
Ti |
0.001 |
0.001 |
V |
0.001 |
0.001 |
Product Grade |
APT-1 |
APT-2 |
| |
Physical Standard |
|
Burning loss |
<11.50% |
<11.50% |
Apparant proportion |
1.8-2.3g/cm3 |
1.8-2.3g/cm3 |
Average particle size |
25-50u |
25-50u |
Sieving particle size |
-40 mesh(100%) |
-40 mesh(100%) |
Uses: used for producing anhydrous wolframic,blue wolfram oxide,wolfram,wolfram carbide,cemented carbide,etc..
Packing: 25kg, fiber drum or woven bag. |
