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Brief introduction of high Alumina Anchoring Brick
High Alumina Anchoring Brick, installed on the steel structure of the furnace shell or supporting lining of the general industrial kiln with specific shape, and embedded in the refractory lining to paly a part in anchoring and linking.
Characters of high Alumina Anchoring Brick
- High temperature resistance.
- Resistance to chemical attack.
- Thermal stability.
- Anti dross.
Parameters of high Alumina Anchoring Brick
| Item/Grade | LM-55 | LM-65 | LM-75 |
| Al2O3, %, ≥ | 55 | 65 | 75 |
| CaO, % ≤ | 2 | 2 | 2 |
| Cold Crushing Strength, MPa, ≥ | 50 | 50 | 55 |
| Tensile Strength, MPa, ≥ | 4 | 4.1 | 4.2 |
| Refractoriness under load 0.2MPa, °C, ≥ | 1450 | 1500 | 1520 |
| Apparent Porosity, %, ≤ | 22(24) | 23(24) | 21(23) |
| Bulk Density, g/cm3 | 2.3 | 2.35-2.4 | 2.5-2.6 |
| Heating Permanent Linear Change (1500°Cx2h), % | -0.4~+0.2 | -0.3~+0.2 | -0.3~+0.2 |