| Payment Type: | L/C,T/T,D/P |
|---|---|
| Incoterm: | FOB,CFR,CIF |
| Delivery Time: | 30 Days |
Basic Info
Type: Tungsten Powder
Free Flowing Light Yellow Crystal Line Powder: Fsss：80-20um
Scott Density：2.0-3.0g/cm3: Ignition Loss：0.5%max
Additional Info
Packaging: In iron drum with inside plastic bags of 100kg or 200kg net each.
Productivity: 1000 tons annually
Brand: CHENZHOU
Transportation: Ocean
Place of Origin: HUNAN
Supply Ability: 3000 tons annually
Certificate: Reach Registration,ISO9001
HS Code: 2825901200
Port: HUANGPU,SHENZHEN
Product Description
The most common chemical powder treatment involves REDOX, precipitation, and thermal decomposition from solutions. The properties of the powder produced vary greatly, but the particle size and shape of the powder are basically similar. REDOX powders tend to be "spongy" in shape because the particles have many pores. The particle size distribution is narrow and the purity is high. Thermal decomposition is most commonly used to treat metal carbonyl compounds. The powder, once ground and annealed, is more than 99.5 percent pure.
| Impurity Content | |||
| Grade | Grade-1 | Grade-2 | |
| WO3(%min) | 99.95 | 99.95 | |
| L.O.LWO3(%max) | 0.5 | 0.5 | |
|
Impurity Content (%MAX) |
Al | 0.0005 | 0.001 |
| Fe | 0.001 | 0.001 | |
| S | 0.007 | 0.001 | |
| As | 0.001 | 0.002 | |
| P | 0.0007 | 0.0007 | |
| Mo | 0.002 | 0.005 | |
| Ca | 0.001 | 0.002 | |
| Mg | 0.0007 | 0.001 | |
| K | 0.001 | 0.002 | |
| Na | 0.001 | 0.002 | |
| Fsss:80-20um | Scott Density:2.0-3.0g/cm3 | ||
| Ignition Loss:0.5%max | Chlorde Residue:0.06%max | ||
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