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TECHNIQUE INDEX FOR MULLITE BRICKS | ||||||||
Item | JM26 | JM28 | ||||||
Bulk Density (g/cm3) | 0.78 | 0.88 | ||||||
Reheating Linear change | 1400 | 1510 | ||||||
℃x12h (%)≤ | ±0.6 | ±0.9 | ||||||
Cold Compression Strength(Mpa) | 2.0 | 2.5 | ||||||
Thermal Conductivity | 0.27 | 0.32 | ||||||
Coefficient(350±25℃ W/m.k) | ||||||||
Max. Working temperature(℃) | 1430 | 1540 | ||||||
Composition | Al2O3(%)≥ | 52-56 | 58-68 | |||||
Fe2O3(%) ≤ | 1.00% | 0.80% | ||||||





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