The high-temperature mullite insulation brick is a kind of brick made of alumina,kyanite, kaolin, poly-light ball by squeezing to mold and cutting to process after high temperature firing.
The high-temperature mullite insulation brick is a kind of brick made of alumina,kyanite, kaolin, poly-light ball by squeezing to mold and cutting to process after high temperature firing. The brick, with high strength, low thermal conductivity, good thermal shock resistance, small linear change on reheating, stable performance and the appearance of standard size, can be widely used to construct the thermal insulation layer and lining of the furnaces of steel, nonferrous metals, carbon, ceramics, cement, electricity and other industries.
| Item | Index | |||||
| MJ-1.2 | MJ-1.0 | MJ-0.8 | MJ-0.7 | MJ-0.6 | MJ-0.5 | |
| Al2O3 | 65% | 50% | 48% | 48% | 48% | 45% |
| Fe2O3 | 0.8% | 1.0% | 2.0% | 2.0% | 2.0% | 2.0% |
| BD | 1.2g/cm3 | 1g/cm3 | 0.8g/cm3 | 0.7g/cm3 | 0.6/cm3 | 0.5g/cm3 |
| CCSD | ≥7Mpa | ≥4.5Mpa | ≥3.5Mpa | ≥3Mpa | ≥2.5Mpa | ≥1.5Mpa |
| LC≤2% | 1660℃ | 1600℃ | 1500℃ | 1400℃ | 1350℃ | 1250℃ |
| Thermal Conductivity (350+-25℃) | 0.55W/m.k | 0.5W/m.k | 0.35W/m.k | 0.3W/m.k | 0.25W/m.k | 0.2W/m.k |
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