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Alumina Bubble Brick

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Product description
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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