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 Mullite pusher tray
Mullite pusher tray has the characteristics of high temperature resistance, good thermal shock stability, small expansion coefficient, good spalling resistance, good powder resistance and so on.
2. Data sheet
| item | Corundum mullite | mullite | Cordierite |
| 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 |
