Alumina Magnesia Carbon Bricks

Alumina magnesia carbon bricks possess the advantages of excellent corrosion resistance, anti-spalling properties, good resistance to molten steel erosion, safe usage, less adherence to molten steel and slag, and easy dismantling.

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Physical and Chemical Indicators

Item	LMT75	LMT70	LMT65	LMT60	LMT55
Al₂O₃ (%)	≥ 75	≥ 70	≥ 65	≥ 60	≥ 55
Al₂O₃ + MgO (%)	≥ 81	≥ 77	≥ 80	≥ 75	≥ 72
C (%)	≥ 5	≥ 5	≥ 7	≥ 7	≥ 8
Apparent Porosity (%)	≤ 7	≤ 7	≤ 7	≤ 7	≤ 7
Bulk Density (g/cm³)	≥ 3.2	≥ 3.15	≥ 3.15	≥ 3.0	≥ 2.9
Cold Crushing Strength (MPa)	≥ 60	≥ 60	≥ 60	≥ 50	≥ 50

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