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JM28 Mullite Insulation Brick
Brand: HongTai Refractory
Category: Mullite Insulation Bricks
Bulk Density: 0.8-1.0g/cm3
Al2O3: 64-66%
Payment Terms: T/T, Credit Cards, e-Checking, Alibaba Trade Assurance
Product Information
JM28 Mullite Insulation Bricks are produced using high-purity materials and unique manufacturing techniques, resulting in numerous advantages. These bricks possess stable volume, exceptional thermal stability, high strength, and low thermal conductivity. As a result, they are highly desirable energy-saving products.
JM28 Mullite Insulation Bricks find extensive applications as linings or thermal insulation layers in a wide range of industrial furnaces and kilns. They are particularly suitable for use in the metallurgical, ceramic, chemical, and machinery industries. These bricks effectively preserve thermal energy, contributing to energy conservation efforts in various industrial processes.
| JM-28 Model | Volume Density | Reheating Linear Change Rate |
| – | g/cm3 | 1500°C*12h% |
| A | 0.8 | -1 |
| B | 0.9 | -0.8 |
| C | 1 | -0.7 |
| JM-28 Model | Cold Crushing Strength | Modulus of rupture | Thermal Conductivity | Al2O3 | SiO2 | Fe2O3 |
| – | MPa | MPa | W/m·K | % | % | % |
| A | 2.5 | 1.4 | 0.28 | 64 | 33 | 0.7 |
| B | 2.8 | 1.6 | 0.32 | 65 | 32 | 0.6 |
| C | 3.5 | 1.8 | 0.34 | 66 | 31 | 0.6 |
- Composition: Mullite, cristobalite, and glass phase
- Apparent Porosity: 40-50%
- Cold Crushing Strength: 10-12 MPa
- Modulus of Rupture: 5-6 MPa
- Thermal Conductivity: 0.30-0.40 W/(m·K)
- Thermal Expansion: 5.0·10^-6/℃
- Refractoriness: 1,780-1,800 ℃
- Application Temperature: Up to 1,500 ℃
| Application | Description |
|---|---|
| Furnace Linings | Lining material in various types of industrial furnaces, providing excellent thermal insulation and improving energy efficiency. |
| Reheating Furnaces | Material for reheating furnaces used in steel production, maintaining high temperatures required for the process, and providing excellent thermal insulation. |
| Backup Insulation | Material for backup insulation in refractory lining systems for industrial furnaces and kilns, improving overall energy efficiency of the system. |
| Petrochemical Applications | Material used in the petrochemical industry for applications such as reformer walls and steam cracker linings, providing excellent thermal insulation and high-temperature stability. |
| Ceramic Kilns | Insulation material used in ceramic kilns, reducing heat loss and improving energy efficiency of the system. |
