

| Grains | 0.3μm, 0.5μm, 0.7μm, 1.0μm, 1.5μm, 2.0μm, 3.0μm, 4.0μm, 5.0μm | ||||||
| Specifications | AI2O3 | Na2O | D10(um) | D50(um) | D90(um) | The original crystal grain | specific surface area(m2/g) |
| 0.7um | ≥99.6 | ≤0.02 | >0.3 | 0.7-1 | <6 | 0.3 | 2-6 |
| 1.5um | ≥99.6 | ≤0.02 | >0.5 | 1-1.8 | <10 | 0.3 | 4-7 |
| 2.0um | ≥99.6 | ≤0.02 | >0.8 | 2.0-3.0 | <17 | 0.5 | <20 |
| Physical Properties: | |
| Color | White |
| Appearance | Powder |
| Mohs hardness | 9.0-9.5 |
| Melting point (ºC) | 2050 |
| Boiling point (ºC) | 2977 |
| True density | 3.97 g/cm3 |
| Bulk density | 1.5-1.99 g/cm3 |




