Complaint
Different Types Cordierite Mullite Kiln Plate, Porous Mullite Plate Us Supplier
Performance for Ceramic :
| Item | Alumina | Dense Cordierite | Porous Cordierite | Cordierite-Mullite | Mullite | Corundum Mullite | |
| Density (g/cm3) | 2.0-2.3 | 2.1-2.5 | 1.5-1.9 | 1.8-2.3 | 2.0-2.5 | 2.3-2.7 | |
| Coefficient of Heat Expansion (20-800°C) (10-6 K-1) | ≤5 | ≤3.5 | ≤3.0 | ≤3.5 | ≤5 | ≤6 | |
| Thermal Conductivity (W/MK) | 1.5-2.0 | 1.5-2.5 | 1.2-1.8 | 1.5-2.0 | 1.5-2.0 | 1.5-2.5 | |
| Specific Heat (20-1000°C) (J/Kg.K) | 900-1150 | 900-1100 | 900-1100 | 900-1150 | 1000-1150 | 1100-1300 | |
| Max. Work Temperature (°C) | 1350 | 1300 | 1300 | 1320 | 1450 | 1550 | |
| Impact Thermal Resistance (°C/min) | ≥300 | ≥300 | ≥350 | ≥350 | ≥350 | ≥300 | |
| Water absorption(%) | 15-25 | ≤2 | 15-25 | 15-25 | 15-25 | 15-25 | |
| Compressive Strength(MPa) | ≥28 | ≥28 | ≥25 | ≥25 | ≥28 | ≥30 | |
| Chemical Composition (%) | Al2O3 | 55-65 | 25-38 | 28-38 | 40-52 | 60-70 | 70-80 |
| SiO2 | 25-35 | 50-60 | 45-55 | 45-55 | 25-35 | 15-25 | |
| MgO | 1~3 | 5 ~10 | 11 ~14 | 7~9 | 0 ~1 | 0 ~2 | |
| Others | <5 | <5 | <5 | <5 | <5 | <5 | |
