| Item | A-1 | A-2 | A-3 | A-4 | A-5 | A-6 | A-7 | B-1 | B-2 | B-3 | B-4 | B-5 | B-6 | B-7 | C-1 | C-2 | C-3 |
| Temperature reheat shrinkage ≤ 2% ℃ | 900 | 1000 | 1100 | 1200 | 1300 | 1400 | 1500 | 900 | 1000 | 1100 | 1200 | 1300 | 1400 | 1500 | 1300 | 1400 | 1500 |
| Bulk density g/cm3 ≤ | 0.5 | 0.5 | 0.5 | 0.55 | 0.6 | 0.7 | 0.75 | 0.7 | 0.7 | 0.75 | 0.8 | 0.8 | 0.9 | 1.0 | 1.1 | 1.2 | 1.25 |
| Cold crushing strength Mpa ≥ | 0.5 | 0.5 | 0.5 | 0.8 | 0.8 | 1 | 1 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 5 | 7 | 10 |
| Thermal conductivity 350℃ w/m.k≤ | 0.13 | 0.14 | 0.15 | 0.16 | 0.17 | 0.20 | 0.22 | 0.17 | 0.18 | 0.18 | 0.23 | 0.23 | 0.27 | 0.31 | 0.3 | 0.38 | 0.45 |