Types(°C) | 1050 Common | 1260 STD | 1260 HP | 1400 | 1450 HZ | ||||||
Operation Temp(°C) | 950°C (1742 °F ) | 1050°C (1922°F) | 1100°C (2012°F) | 1200°C (2192°F) | 1350°C (2462°F) | ||||||
Density (kg/m3) | 64-180 | ||||||||||
Permanent Change on Heating (%) | 950°Cx24h ≤-3 | 1050°Cx24h ≤-3 | 1100°Cx24h ≤-3 | 1200°Cx24h ≤-3 | 1350°Cx24h ≤-3 | ||||||
Theoretic Heat Conductive Co-efficient W/(m·k)(128kg/m3) | 0.15 (600°C) 0.22 (800°C) | 0.12 (600°C) 0.20( 800°C) | 0.12 (600°C) 0.20 (800°C) | 0.12 (600°C) 0.20 (800°C) | 0.16 (800°C) 0.20 (1000°C) | ||||||
Tensile Strength (Thickness 25mm) | ≥0.04 | ≥0.05 | ≥0.05 | ≥0.04 | ≥0.06 | ||||||
Chemical Composition | Al2O3(%) | 44 | 45-46 | 47-49 | 52-55 | 39-40 | |||||
Al2O3+SiO2(%) | ≥96 | ≥98 | ≥99 | ≥99 | - | ||||||
ZrO2(%) | - | - | - | - | 15-17 | ||||||
Al2O3+SiO2 +ZrO2(%) | - | - | - | - | ≥99 | ||||||
Fe2O3(%) | ≤1.0 | ≤0.8 | ≤0.2 | ≤0.2 | ≤0.2 | ||||||
Na2O+K2O(%) | ≤0.4 | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.2 | ||||||
CaO+MgO | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |