Size (mm) | Bulk density (304kg/m3) | Number (per m3) | Surface area (m2/m3) | Free volume (%) | Dry packing factor m-1 | |
25mm | 25.9*12.6*0.25 | 163 | 127180 | 415 | 4.8 | 489.2 |
25mm | 25.9*12.6*0.3 | 192 | 127180 | 344 | 95.5 | 393.2 |
25mm | 25.9*12.6*0.4 | 266 | 127180 | 199 | 96.6 | 221 |