Grade |
WO3 (%,min) |
Impurities (%,max ) |
As |
Fe |
Ca |
(K+Na) |
Co |
Mg |
Special |
88.8 |
0.001 |
0.001 |
0.001 |
0.002 |
0.0005 |
0.0005 |
1st |
88.5 |
0.001 |
0.001 |
0.001 |
0.002 |
0.001 |
0.0005 |
Impurities(%,max ) |
Mn |
Ni |
Si |
Ti |
Mo |
Cu |
V |
P |
0.0005 |
0.0005 |
0.002 |
0.0005 |
0.002 |
0.0005 |
0.0005 |
0.0007 |
-- |
0.0007 |
0.002 |
0.001 |
0.005 |
0.0007 |
0.001 |
0.0007 |
|
Impurities(%,max )
|
S |
Cr |
Al |
Sb |
Pb |
Sn |
Bi |
Cd |
0.0007 |
0.0003 |
0.0003 |
0.0002 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0007 |
-- |
0.0005 |
0.0005 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
Igniting loss(%) |
Appareent density(g/cm3) |
Screen size (mesh) |
11.2 |
2~2.4 |
-80,100% |
11.5 |
2~2.4 |
|
Packing:In sealde plastic bags with outer iron drums of 100/200 kgs net each. we can meet your special requirements.
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