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JM30 Mullite Insulation Brick
JM30 Mulltie Insulation Brick should be used as the first layer of a refractory lining or as back insulating layer behind all other refractory layers in furnaces.
- Al2O3: 72-75%
- Bulk Density: 1.0-1.2g/cm3
- High porosity
- Low volume density
- High mechanical intensity
- Low thermal conductivity
Data Sheet
Product Details
JM30 Mulltie Insulation Brick should be used as the first layer of a refractory lining or as back insulating layer behind all other refractory layers in furnaces, bakes, fire channels, refining chambers and heat furnaces, regenerators, gas production plants and conduits, intended furnaces, stress-relieving furnaces, reactor chambers and similar high-temperature industrial devices.
Performance Characters:
1.High porosity.
2.Low volume density.
3.Good insulation effect.
4.High mechanical intensity.
5.Low thermal conductivity.
| Index | Volume Density | Reheating Linear Change | Cold Compression Strength | Bending Strength At Normal Temperature | Thermal Conductivity | Al2O3 | SiO2 | Fe2O3 | |
| – | – | g/cm3 | 1400℃*12h,% | Mpa | Mpa | 350℃w/m·k | % | % | % |
| JM30 | A | 1 | -0.8 | 3 | 1.8 | 0.4 | 72 | 26 | 0.5 |
| JM30 | B | 1.1 | -0.7 | 3.5 | 1.9 | 0.43 | 72 | 26 | 0.5 |
| JM32 | A | 1.1 | -0.8 | 3.6 | 1.9 | 0.43 | 75 | 23 | 0.4 |
| JM32 | B | 1.2 | -0.7 | 3.8 | 2 | 0.46 | 75 | 23 | 0.4 |