
| No. | Index | Unit | HL-KS01 | HL-KS02 | HL-KS03 |
| 1 | Diameter | mm | 2-4 | 3-5 | 5-7 |
| 2 | L.O.I | wt,% | <5.0 | <5.0 | <5.0 |
| 3 | Water absorption | wt,% | 60-120 | 60-120 | 60-120 |
| 4 | Radial strength | N/㎝ | >50.0 | >70.0 | >90.0 |
| 5 | Specific surface area | m2 /g | 100-300 | 100-300 | 100-300 |
| 6 | Pore volume | ml/g | 0.5-1.0 | 0.5-1.0 | 0.5-1.0 |
| 7 | Attrition | % | <5.0 | <5.0 | <5.0 |
| 8 | Bulk density | g/ml | 0.3-0.6 | 0.3-0.6 | 0.3-0.6 |