Light Weight Mullite Brick
Lightweight Mullite Brick is a premium insulating refractory material manufactured from high-quality mullite aggregates, fine high-alumina bauxite powder, and specially selected pore-forming additives through a high-temperature sintering process.
-
Heat-conductivity
-
High-temperature resistant
-
Thermal shock resistance
Product Introduction
Lightweight Mullite Brick is a premium insulating refractory material manufactured from high-quality mullite aggregates, fine high-alumina bauxite powder, and specially selected pore-forming additives through a high-temperature sintering process.Designed for medium- to high-temperature thermal insulation applications, the product offers a long-term service temperature of 1350–1500°C. It features low thermal conductivity, excellent energy-saving performance, minimal permanent linear shrinkage at high temperatures, good resistance to pulverization, and outstanding thermal shock stability.
Product Specifications
| Index | HWMG-26 | HWMG-28 | HWMG-30 |
| Al2O3 (%) ≥ | 55 | 65 | 70 |
| Bulk Density（g/cm3 ） ≤ | 0.85 | 0.95 | 1.05 |
| Cold Compressive Strength（MPa）≥ | 2 | 2.5 | 3 |
| Permanent Linear Change (%) | -1.5 ～ 0.5 （1400℃×12h） |
-1.5 ～ 0.5 （1510℃×12h） |
-1.5 ～ 0.5 （1620℃×12h） |
| Thermal Conductivity[W/（m · K）] ≤（350±25）(℃) | 0.3 | 0.37 | 0.44 |
| 0.05 MPa Refractoriness Under Load（T0.5 ℃) ≥ | 1250 | 1360 | 1470 |
- Grade:
- HWMG-26
- HWMG-28
- HWMG-30
