| ZrO2+HfO2(min) | 99.9% | 99.5% | 99.5% |
| SiO2(max) | 0.005% | 0.01% | 0.05% |
| Fe2O3(max) | 0.0005% | 0.003% | 0.005% |
| Na2O(max) | 0.001% | 0.01% | 0.05% |
| TiO2(max) | 0.001% | 0.003% | 0.01% |
| Cl- | 0.01% | 0.02% | - |
| Packing | 25kg or 1000kg net in woven plastic bag with inner double plastic bags or packed as specified by the client. | ||