Light weight insulating mullite fire brick,mullite insulating brick,mullite fire brick
Features:
1. Low thermal conductivity
2. High strength and resistance to corrosion
3. Low heat capacity
4. Low content of impurities
5. High insulation
6. Excellent thermal shock resistance
7. Low density
Physical and chemical index:
Item/Type | JM-23 | JM -26 | JM -28 | JM -30 | JM -32 |
Classification temperature, Reference using temperature (oC) ≥ | 1260 | 1430 | 1540 | 1650 | 1760 |
Bulk density (g/cm3) | 0.8 | 0.9 | 0.9 | 1.0 | 1.25 |
Crushing strength (Mpa) ≥ | 1.3 | 1.6 | 2.1 | 16 | 16 |
Modulus of rupture (Mpa) ≥ | 0.9 | 1.4 | 1.6 | 2.1 | 2.1 |
Permanent linear change (oCX24h)% ≤ | 1350°C×4h 0.5 | 1400°C×24h 0.4 | 1510°C×24h 0.5 | 1620°C×24h 0.9 | 1730°C×24h 0.9 |
Thermal conductivity (W/m.k) ≤ | 800oC | 0.18 | 0.31 | 0.32 | 0.44 | 0.50 |
1000oC | 0.2 | 0.34 | 0.35 | 0.45 | 0.52 |
1200oC | - | 0.40 | 0.41 | 0.47 | 0.56 |
Chemical Analysis (%) | Al2O3 ≥ | 37 | 58 | 67 | 73 | 77 |
Fe2O3 ≤ | 1.0 | 0.8 | 0.8 | 0.6 | 0.4 |
Application:
Light Weight Mullite Insulation Brick can be widely used as lining or insulation layers of various industrial furnaces and kilns in metallurgical industry, machine building industry, ceramic industry, chemical industry.