JM30/K30 Mullite Insulation Brick
- Bulk density: 1000-1100 kg/m³
- Operating temperature: ≥1800℃
- Thermal conductivity: 0.4-0.43 W/(m K)
- Standard Size: 230*114*65mm
- Certification: ISO9001/ISO14001/ISO45001/ISO50001
- Sample: testing of sample is available
Description of JM30/K30 Mullite Insulation Brick
JM30/K30 Mullite insulation brick is also called JM30/K30 mullite lightweight brick, and it is a refractory material based on aluminum silicate. The alumina fluctuates between 40% and 77%, which has excellent thermal insulation performance. Mullite thermal insulation bricks contain mullite ore, which is made through high-temperature expansion treatment to cast bricks with light weight and excellent thermal insulation performance. In addition to mullite, mullite bricks with low alumina content also contain glass phase and cristobalite; those with high alumina content also contain a small amount of corundum. It can directly touch the flame, the bulk density is 0.55-1.35g/cm3, and the compressive strength is 1.2-4.5Mpa.
Kerui JM30/K30 Mullite Insulation Brick Technical Data Sheet
| Item/Grade | JM-30 | |
|---|---|---|
| ω (Al2O3)/% | 72 | 72 |
| ω (Fe2O3)/% | 0.55 | 0.55 |
| Bulk Density (g/cm³) | 1.0 | 1.1 |
| Cold Crushing Strength/MPa | 3.0 | 3.5 |
| Permanent Linear Change/% | -0.9 | -0.7 |
| 1600℃×12h | 1600℃×12h | |
| Thermal Conductivity 350℃ ≤/[W/(m·K)] | 0.40 | 0.43 |
Advantages of JM30/K30 Mullite Insulation Brick
Excellent Insulation Properties
Mullite insulation bricks are well known for their insulating properties due to their low thermal conductivity which prevents heat from being lost, which makes it an ideal insulating material to provide insulation in high temperatures.
Lightweight Material
The performance of mullite bricks in reducing the atmosphere is very stable. In particular, the calcium element it contains makes it resistant to corrosion and works stably for a long time at high temperatures.
Thermal Shock Resistance
The excellent thermal shock resistance of Mullite Insulation Brick enables them to withstand the heat shock of rejection. Whether it is a sudden increase or decrease in temperature, Mullite Insulation Bricks can maintain their own integrity without cracking and damage. This excellent performance makes it very suitable for industrial furnaces in high temperature environments, etc.
Corrosion Resistance
Although mullite insulation bricks are light in weight, they have a stable structure, can withstand a lot of pressure, and have excellent compressive strength.
Application of JM30/K30 Mullite Insulation Brick
Glass Industry
Mullite Insulation Brick are often used in glass furnace linings, glass quenching linings, glass melting furnace linings, glass crucibles, etc. They can provide excellent fire resistance, heat preservation, and slag resistance, ensuring glass production Process stability, efficiency, and quality.
Ceramic Industry
Mullite Insulation Brick usually used in the lining of the ceramic kiln, the lining of ceramic drying furnaces, the lining of sintering furnaces, and the application of high alumina insulation brick can provide thermal insulation performance and thermal insulation effect.
Iron and Steel Industry
Mullite Insulation Brick usually used in blast furnace lining, hot blast stove lining, ladle lining, furnace roof, etc., which can improve the safety of the working environment and improve production efficiency.
Petrochemical Industry
Mullite Insulation Brick often used in gas furnace equipment, furnace lining, heat exchange equipment, etc. High alumina insulation bricks can prolong the life of petrochemical equipment and keep the temperature stable.
