Payment Type: | L/C,T/T,D/P |
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Incoterm: | FOB,CFR,CIF |
Delivery Time: | 30 Days |
Basic Info
Model No.: WO3-x-1 WO3-x-2
Type: Tungsten Powder
Dark Blue Crystals: W(79.2-80)%
WO3-x-1,WO3-x-2: WO3-x-2
Additional Info
Packaging: In iron drums with inside plastic bags of 100kg or 200kg net each.
Productivity: 1000 tons
Brand: CHENZHOU
Transportation: Ocean
Place of Origin: HUNAN
Certificate: Reach Registration,ISO9001
HS Code: 2825901910
Port: HUANGPU,SHENZHEN
Product Description
Fire is a common method in industry. Generally, ammonium secondary tungstate (APT) is used as raw material and obtained by thermal decomposition or slight reduction with hydrogen. Blue tungsten oxide can be obtained by slight reduction of WO3 by hydrogen, but the quality is not as good as that of APT
Impurity Content | ||||||
Grade | WO3-x-1 | WO3-x-2 | Grade | WO3-x-1 | WO3-x-2 | |
Impurity Content %MAX |
AI | 0.0005 | 0.001 | Ni | 0.0005 | 0.0007 |
As | 0.001 | 0.002 | Na | 0.001 | 0.002 | |
Bi | 0.0001 | 0.0001 | P | 0.0007 | 0.001 | |
Ca | 0.001 | 0.002 | Pb | 0.0001 | 0.0001 | |
Cr/Co | 0.001 | 0.001 | Sn | 0.0001 | 0.0007 | |
Cu | 0.0005 | 0.007 | Si | 0.001 | 0.002 | |
Fe | 0.001 | 0.003 | Sb | 0.0003 | 0.0005 | |
K | 0.001 | 0.001 | S | 0.0007 | 0.0007 | |
Mg | 0.0007 | 0.001 | Ti | 0.001 | 0.001 | |
Mn | 0.0005 | 0.001 | V | 0.001 | 0.001 | |
Mo | 0.003 | 0.008 | Nh3 | 0.15 | 0.20 |
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