Silica Mullite Wear-resistant Composite Bricks are advanced refractory bricks engineered for exceptional wear resistance and durability in high-temperature applications. Constructed from a blend of silica (SiO₂) and mullite (3Al₂O₃·2SiO₂), these bricks offer impressive thermal stability, mechanical strength, and resistance to chemical corrosion. Their unique composition makes them ideal for high-wear environments where protection against mechanical abrasion, thermal shock, and chemical erosion is essential, such as in rotary and cement kilns.
Items |
GMF-1 |
|
Structure |
Working layer |
Thermal insulation layer |
Al2O3, % ≥ |
65 |
50 |
SiC+SiO2, ≥ |
30 |
- |
Bulk Density g/cm3 ≥ |
2.65 |
2.1-2.3 |
Apparent Porosity % ≤ |
17 |
- |
Cold Crushing Strength Mpa ≥ |
90 |
50 |
Thermal Shock Resistance 800℃ water cycle ≥ |
15 |
15 |
Wear Resistance A/C ≥ |
5 |
- |
Thermal Conductivity 800℃ w·m·k |
2.5-2.3 |
1.0-1.3 |
Our Silica Mullite Wear-resistant Composite Bricks are carefully packaged and handled to maintain their quality and ensure they reach you in optimal condition.
Q1: What is a Silica Mullite Wear-resistant Composite Brick?
This is a refractory brick crafted from a combination of silica (SiO₂) and mullite (3Al₂O₃•2SiO₂), specifically designed to resist high wear, thermal shock, and chemical erosion in extreme-temperature environments.
Q2: Where are Silica Mullite Composite Bricks typically used?
These bricks are primarily used in cement kilns, particularly in transition and cooling zones, as well as in rotary kilns and non-ferrous metal furnaces, where resistance to abrasion, heat, and chemicals is crucial.
Q3: How are Silica Mullite Composite Bricks manufactured?
These bricks are produced by combining high-quality silica with mullite under carefully controlled firing conditions. This process bonds the materials into a dense, wear-resistant brick capable of withstanding high temperatures and mechanical stress.