

| ITEMS | UNIT | SPECIFICATIONS |
| CO2 Adsorption (25℃, 250mmHg) | % | > 20 |
| SiO2/Al2O3 | - | 2.0 ~ 2.5 |
| Drying loss | % | < 8.0 |
| Sieve residue (45μm) | wt% | < 0.5 |
| PH value (1%) | - | < 11.5 |
| Ignition loss | wt% | < 23 |
| particle size (D50) | μm | 3 ~ 5 |
| Bulk density | g/cm3 | 0.35 ~0.45 |
| Drying loss | % | < 8.0 |