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Tungsten trioxide powder
Tungsten trioxide powder
Our high-purity tungsten trioxide powder is manufactured by chemically refining tungsten raw material.
It is used to implove electrical characteristics (as dielectrics for piezoelectric ceramics) for secondary batteries, scintillators and ceramics
Tungsten trioxide powder
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| Type | Grain size (μm) | WO3(%) | NVR(%) | Fe(%) | Mo(%) |
|---|---|---|---|---|---|
| F1-WO3 | 0.5～1.2 | ≧99.9 | ≦0.010 | ≦0.002 | ≦0.010 |
| A2-WO3 | 7～12 | ≧99.9 | ≦0.010 | ≦0.001 | ≦0.010 |
| C3-WO3 | 15～20 | ≧99.9 | ≦0.010 | ≦0.001 | ≦0.010 |
"Grain size" is the average grain diameter according to the Fischer method.
NVR：Non Volatile Residue by Chlorination
High-purity tungsten trioxide powder
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| Type | WO₃(%) | Fe(ppm) | Mo(ppm) | U(ppb) | Th(ppb) |
|---|---|---|---|---|---|
| A5-WO₃ | ≧99.999 | ≦1 | ≦1 | ≦1 | ≦1 |
- Technical information of tungsten