Features:
1\Low heat storage ,Low thermal conductivity
2\Excellent insulation ,good sound absorption
3\Excellent chemical and thermal stability .
Applications:
1\Back-up lining for industrial furnaces
2\Insulation for petrochemical heating furnaces
3\Insulation for high building
4\Insulation for the shell of precision casting
5\Glass furnace crown insulation
Product Technical Specifications: | ||||||
Item | Standard | High Pure | High Aluminum | Alu-Zirconium | Zirconium | |
Classification Temp (°C) | 1260 | 1260 | 1360 | 1360 | 1430 | |
Working Temp (°C) | ≤1050 | ≤1100 | ≤1200 | ≤1200 | ≤1350 | |
Color | Pure White | Pure White | Pure White | Pure White | Pure White | |
Bulk Density (Kg/m3) | 64-160 | 64-160 | 96-160 | 96-160 | 96-160 | |
Permanent Linear Shrinkage (%) | 1000°C X 24h≤- 3 | 1100°CX24h≤-3 | 1200°C X 24h≤ -3 | 1350°C X 24h≤- 3 | ||
Thermal Conductivity | 0.09(400°C) | 0.09(400°C) | 0.12(600°C) | 0.12(600°C) | 0.16(800°C) | |
(w/m.k)(128Kg/m3) | 0.16(800°C) | 0.16(800°C) | 0.20(1000°C) | 0.20(1000°C) | 0.20(1000°C) | |
Tensile Strength (Mpa)(128Kg/m3) | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | |
Chemical | AL2O3 | ≥46 | 47-49 | 52-55 | 45-46 | 39-40 |
Composition | AL2O3+SIO2 | ≥97 | ≥99 | ≥99 | ≥99 | ≥99 |
(%) | AL2O3+SIO2+ZrO2 | - | - | - | - | - |
ZrO2 | - | - | - | 5—7 | 15—17 | |
Fe2O3 | ≤ 1.0 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | |
Na2O+K2O | ≤ 0.5 | ≤ 0.2 | ≤ 0.2 | ≤ 0.2 | ≤ 0.2 | |
Size(mm) | 1.2MX15MX(1-10)MM ,or according to client specific requirements | |||||
