| project | Mullite Brick | Sillimanite Brick |
|---|---|---|
| Main Ingredients | Mullite (3Al2O2·2SiO2), 65% to 75% alumina | Sillimanite minerals, after high temperature calcination, are transformed into mullite and free silica |
| Refractoriness | 1790℃ above | 1770～1830℃ |
| Load softening start temperature | 1600～1700℃ | 1500～1650℃ |
| Compressive strength | 70～260MPa | better |
| Thermal shock resistance | good | better |
| Manufacturing method | Sintering and electrofusion | High temperature firing method and slurry casting method |
| Application Areas | Hot blast furnace top, blast furnace body and furnace bottom, glass melting furnace regenerator, ceramic sintering furnace, dead corner lining of petroleum cracking system | Forming of flow holes in glass tank kilns, blast furnace linings, furnace throats, and ceramic industry kiln furniture |
Mullite bricks and sillimanite bricks have their own advantages in physical and chemical properties and application fields. When choosing, you should make comprehensive considerations based on specific needs. Welcome to order Henan Lite Mullite Bricks and Sillimanite Bricks.