Batt is one of the popular kiln furniture, used as the basic kiln shelf support element in most kilns and furnace structures due to excellent thermal shock resistance, and stability at high working temperature performance.
They are typically made by pressing or formed by vacuum extruding process, fired under high temperature.
| Material | Cordierite Mullite |
|---|---|
| Application | Refractory |
| Shape | Various |
| Size | Various |
| Customized | Accepatble |
| Packing | Wooden case or pallet |
| Properties | Units | Cordierite & Mullite |
|---|---|---|
| Chemical analysis | AI2O3 % | 46.0 |
| SiO2 % | 44.0 | |
| MgO % | 6.0 | |
| Bulk density | g/cm3 | 2.0 |
| Apparent Porosity | % | 25 |
| Modulus of Rupture@ 20℃ | MPa | 18 |
| Modulus of Rupture@ 1250℃ | MPa | 17 |
| Coefficient of Thermal Expansion @ 25℃-1000℃ | 10-6K-1 | 3.1 |
| Specific heat@20℃ | Kj/Kg.K | 1.1 |
| Thermal shock resistance | Very Good | |
| Max. working temperature | ℃ | 1280 |
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