| Composition | SiO2 | 97-97.5% wt.% |
| Al2O3 | 2.5-3.0% wt.% | |
| Bulk density | g/cm3 | ≥700g/cm3 |
| Pore volume | cm3/g | ≥0.45cm3/g |
| Specific area(BET) | m2/gr | ≥650m2/g |
| (25℃) | 10% R.H. | >6.0% |
| Adsorption capacity | 80%R.H. | >45.0% |
| Compressive strength | N | >200 |
| Wearing ratio | Wt.% | ≤0.05 |
| Loss on heating | Wt.% | <3.0% |
| Composition | SiO2 | 97-97.5% wt.% |
| Al2O3 | 2.5-3.0% wt.% | |
| Bulk density | g/cm3 | ≥700g/cm3 |
| Pore volume | cm3/g | ≥0.45cm3/g |
| Specific area(BET) | m2/gr | ≥650m2/g |
| (25℃) | 10% R.H. | >6.0% |
| Adsorption capacity | 80%R.H. | >45.0% |
| Compressive strength | N | >200 |
| Wearing ratio | Wt.% | ≤0.05 |
| Loss on heating | Wt.% | <3.0% |