Overall Indicators for Low Conductivity Composite Bricks
Low conductivity multi-layer composite bricks are a new type of product developed by our company to address pain points in the cement industry, and have spawned multiple generations of composite products with multiple materials and multi-layer structures.
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Physical and Chemical Indicators
|
Item |
Index |
|
Bulk Density (g/cm³) |
≤ 1.85 |
|
Cold Crush Strength (MPa) |
≥ 40 |
|
0.2MPa Refractoriness Under Load (℃) |
≥ 1400 |
|
Permanent Linear Change Rate (%) at 1400℃×12h |
± 0.2 |
|
Thermal Conductivity W/(m·K) at 800℃ |
0.600 |
|
Thermal Conductivity W/(m·K) at 1100℃ |
0.650 |
Magnesia-spinel Composite Brick
Low conductivity multi-layer composite bricks are a new type of product developed by our company to address pain points in the cement industry, and have spawned multiple generations of composite products with multiple materials and multi-layer structures.
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Physical and Chemical Indicators
|
Item |
Heavy Part |
Light Part |
|
MgO (%) |
≥ 75 |
— |
|
Al₂O₃ (%) |
≥ 8 |
55 |
|
Apparent Porosity (AP %) |
≤ 20 |
— |
|
Bulk Density (BD g/cm³) |
≥ 2.90 |
≤ 1.0 |
|
Cold Crush Strength (CCS MPa) |
≥ 40 |
5.5 |
|
0.2MPa Refractoriness Under Load (RUL ℃) |
≥ 1550 |
— |
|
Permanent Linear Change Rate (PLC %) at 1500℃×2h |
≤ 0.1 |
2 (1400℃) |
|
Thermal Conductivity W/(m·K) at 350℃±5℃ (TCS) |
≤ 2.0 |
0.45 |
|
Weightlight Bonding Part CCS (MPa) |
≥ 15 | |
