| Particle ( mm ) (mesh number) | Volumetric weight ( kg / m3 ) | Thermal conductivity (kcal / m · h · degree) |
| 4-8mm | 80-150 | 0.045 |
| 3-6mm | 80-150 | 0.045 |
| 2-4mm | 80-150 | 0.045 |
| 1-3mm | 80-180 | 0.045 |
| 2 0 mesh | 100-180 | 0.045-0.055 |
| 4 0 mesh | 100-180 | 0.045-0.055 |
| 6 0 mesh | 100-180 | 0.045-0.055 |
| 100 mesh | 100-180 | 0.045-0.055 |
| 200 mesh | 100-180 | 0. 045-0.055 |
| 325 mesh | 100-180 | 0.045-0.055 |
| Mixed particles | 80-180 | 0.045-0.055 |