Yixing City Kam Tai Refractories Co.,ltd
Yixing City Kam Tai Refractories Co.,ltd Professional Manufacturer of Refractory Kiln furniture and Technical Ceramic
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1.Description of Corundum mullite sagger
Corundum mullite sagger has the characteristics of high temperature resistance, good thermal shock stability, small expansion coefficient, good spalling resistance, good powder resistance and so on.
2. Technical data
| item | Corundum mullite sagger | mullite sagger | Cordierite sagger |
| MgO% | - | 5 | 3-6 |
| AL2O3% | ≥80 | 43-45 | 40-45 |
| SiO2% | ≤18 | 46-48 | ≥46 |
| Fe2O3% | ≤0.03 | ≤0.7 | ≤0.03 |
| volume density(g/cm3) | ≥2.7 | ≥2.0 | ≥2.2 |
| apparent porosity | ≤22 | 21-23 | ≤20 |
| cold crushing strength (MPa) | ≥80 | | - |
| Thermal stability 1100℃ (water-cooled) | 30 | 50 | 60 |
| maximum service temperature(℃) | 1650 | 1400 | 1400 |
