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Alumina Bubble Brick
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Parameters
| Technical Data | Alumina Bubble Brick | |||
| LG-99 | LG-90 | LG-85 | ||
| Chemical Composition (wt%) | Al2O3 | ≥99 | ≥90 | ≥85 |
| SiO2 | ≤0.3 | ≤7 | ≤13 | |
| Fe2O3 | ≤0.1 | ≤0.1 | ≤0.2 | |
| Volume Density (Kg/m3) | 1450~1600 | 1450~1600 | 1450~1600 | |
| Normal Temperature Compression Strength (MPa) | ≥15 | ≥15 | ≥20 | |
| Refiring Linear Change (%) | 1600℃×3h | ±0.2 | ±0.2 | ±0.3 |
| Thermal Conductivity (W/m·K) | Mean Temperature 800℃ | ≤1.4 | ≤1.4 | ≤1.4 |
| Maximum Service Temperature (℃) | ≥1800 | ≥1700 | ≥1600 | |
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