| Item | P1100 | P1260 | P1360 | P1430 | |
| Classification Temperature | 1100C | 1260C | 1360C | 1430C | |
| Permanent Linear Change(%) | 950x24h ≤-3.5 | 1100x24h ≤-3.5 | 1200x24h ≤-3.5 | 1300x24h ≤-3.5 | |
| Chemical analysis (%) | AL2O3 | 43 | 47 | 55 | 38 |
| SiO2 | 53 | 51 | 44 | 44 | |
| Fe2O3+Ti2O3 | ≤1.2 | ≤0.3 | ≤0.3 | ≤0.2 | |
| CaO+MgO | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.2 | |
| NaO+K2O | ≤0.5 | ≤0.3 | ≤0.3 | ≤0.2 | |
| Thermal Conductivity (W/m.k) | 400 | 0.07 | 0.07 | 0.069 | 0.068 |
| 600 | 0.09 | 0.09 | 0.088 | 0.087 | |
| 800 | 0.12 | 0.12 | 0.11 | 0.1 | |
| Organic Content(%) | 10 | 8 | 8 | 8 | |
| Tensile Strength (≥ Mpa) | 0.5 | 0.65 | 0.7 | 0.75 | |
| Density (kg/m3) | 180-220 | ||||
| Moistures(%) | ≤1 | ||||
| Size (mm) | 10000-400000x610/1220 | ||||
| Thickness (mm) | 0.5-6 |