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Feature of H-L Refractory Brick Mullite Brick Heat Resistant Ceramic Brick:
Poly-L Mullite Brick has the feature of good thermal shock resistance, high purity, good crushing strength, low thermal conductivity,etc.
Application of H-L Refractory Brick Mullite Brick Heat Resistant Ceramic Brick:
Poly-L Mullite Brick is widely used for the lining of kiln furnace.
Technology Index of Poly-L Mullite Brick Heat Resistant Ceramic Brick:
Item | Poly-L Mullite Brick | |||
LG-0.6 | LG-0.8 | LG-1.0 | LG-1.2 | |
Al2O3 | ≥48% | ≥50% | ≥50% | ≥60% |
Fe2O3 | ≤1.0% | ≤1.0% | ≤1.0% | ≤1.0% |
Bulk Density | ≤0.6g/cm3 | ≤0.8g/cm3 | ≤1.0g/cm3 | ≤1.2g/cm3 |
Cold Crushing Strength | ≥2Mpa | ≥3Mpa | ≥3.5Mpa | ≥5Mpa |
Linear Change on Reheating | ≤2% (1300℃*12h) | ≤2% (1350℃*12h) | ≤2% (1400℃*12h) | ≤2% (1450℃*12h) |
Thermal Conductivity | ≤0.22w/m.k | ≤0.3w/m.k | ≤0.35w/m.k | ≤0.38w/m.k |
The Highest Temperature | 1350℃ | 1350℃ | 1400℃ | 1450℃ |