| Purity | 99.5% min |
| Ignition loss | 1% max |
| Particle size | 0.5-3.0 μm |
| Fe2O3 | 0.1% max |
| SrO | 0.1% max |
| Na2O+K2O | 0.1% max |
| Al2O3 | 0.1% max |
| SiO2 | 0.1% max |
| H2O | 0.5% max |
| Lead Tungstate | Cesium Tungstate | Calcium Tungstate |
| Barium Tungstate | Zirconium Tungstate |
| Cerium Vanadate | Calcium Vanadate | Strontium Vanadate |
| Lead Stannate | Copper Stannate |