Light Weight High Alumina Brick
Lightweight High Alumina Brick is manufactured from high-alumina bauxite chamotte and specially selected pore-forming additives through a high-temperature sintering process.
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Heat-conductivity
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Thermal shock resistance
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High-temperature resistant
Product Introduction
Lightweight High Alumina Brick is manufactured from high-alumina bauxite chamotte and specially selected pore-forming additives through a high-temperature sintering process.The product is designed for long-term service at temperatures ranging from 1000°C to 1350°C. It features low bulk density, excellent thermal insulation performance, and outstanding cost-effectiveness, making it an ideal choice for energy-saving applications in industrial furnaces and thermal equipment.It is widely used as an insulating lining or backup insulation layer in medium- and high-temperature kilns, boilers, industrial pipelines, and other thermal systems.
Product Specifications
| Index | HWLD140-1.2 | HWLD140-1.0 | HWLD140-0.8 | HWLD135-0.6 |
| Al2O3 (%) ≥ | 48 | |||
| Bulk Density（g/cm3 ） ≤ | 1.2 | 1 | 0.8 | 0.6 |
| Cold Compressive Strength（MPa） ≥ | 4.5 | 3.5 | 2.5 | 1.6 |
| Permanent Linear Change (%) | -0.2 ～ 1.0（1400℃ ×12h） | |||
| Thermal Conductivity[W/（m · K）] ≤（350±25）(℃) | 0.55 | 0.5 | 0.35 | 0.25 |
- Grade:
- HWLD140-1.2
- HWLD140-1.0
- HWLD140-0.8
- HWLD135-0.6
