APT
| Chemical Content | ||
| WO3含量(%,Min) | 88.50 | |
| Impurity, Max (ppm) | ||
| Al | 5 | |
| As | 10 | |
| Ca | 10 | |
| Co | 10 | |
| Cr | 10 | |
| Cu | 3 | |
| Fe | 10 | |
| K | 10 | |
| Mg | 5 | |
| Mn | 5 | |
| Mo | 20 | |
| Na | 10 | |
| Ni | 5 | |
| P | 7 | |
| S | 8 | |
| Sb | 5 | |
| Si | 10 | |
| Sn | 2 | |
| Ti | 10 | |
| V | 10 | |
| Physical Properties | ||
| Apparent Density(g/cm3) | 1.5-3.0 | |
| FSSS(μm) | 20-60 | |
| Specific Surface (BET) (m2/g) | - | |
| Dry Loss(%) | - | |
| Ignition Loss(%) | - | |
| Appearance | Homogenous White powder, |
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