We are a refractory material manufacturer, with four major factories: heavy brick factory, light brick factory, monolithic refractory factory and fused-cast brick factory.
We promise to provide you with high-quality refractory materials.
Product introduction of JM30 insulation brick
Mullite JM30 insulation brick for furnace insulation lining can withstand high temperature above 1790 ℃. The initial softening temperature of the loaded weight is 1600-1700 ℃, the normal temperature withstand voltage is 70-260MPa, the thermal shock resistance is good, the strength is high, the high temperature creep rate is low, the expansion coefficient is low, the thermal coefficient is small, and the acid broom corrosion resistance is good. It can greatly reduce the weight of the high-temperature furnace, transform the structure, save materials, save energy and improve production efficiency.
Features of JM30 insulation brick
- High temperature resistance
- High strength
- Low thermal conductivity
- High thermal shock stability
Parameters of JM30 insulation brick
| 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 |
Application of JM30 insulation brick
The insulation brick mullite JM30 is mainly used for the upper part of the hot blast furnace, the main body and the lower part of the blast furnace, the storage room of the glass melting furnace, the ceramic sintering furnace, the furnace lining of the petroleum cracking system, etc.