| 98.5%min & 99.5%min Calcined Alumina | |
| AL2O3 | 98.9% & 99.8% |
| SiO2 | 0.02 |
| Fe2O3 | 0.01 |
| Na2O | 0.21 |
| D50 (um) | 93.114 |
| IGNITION LOSS | 1 |
| REMARK: (INDUSTRY GRADE OF ALUMINIUM OXIDE, WHICH FOR CALCINED ALUMINA AND CERAMICS, electrolytic aluminium /electronic substrate/electric vacuum tubes,casting, ETC | |