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Magnesia Ferrum Spinel Brick

Magnesia Ferrum Spinel Brick Specificatios

Magnesia Ferrum Spinel Brick and synthetic magnesia ferrum alumina spinel brick are made of high purified magnesia clinker and ferrum alumina spinel clinker at strictly controlled temperature and sintered atmosphere, which enables the product to have good flexibility and temperature vibration.


The performances of attaching kiln wall and corrosion resistance are better good quality magnesia chrome brick. The product is update product for lining of large dry cement rotary kilns.

Physical and Chemical Index

Item                   Behaviors
Magnesia Ferrum Spinel Brick

Composition %

MgO ≥ 84 80
Al2O3 ≤ 2.5 2.5
Cr2O3 ≥ 3.6 3.5
Fe2O3 6.3 4.4
Apparent Porosity % 17 17
Cold Crushing Strength Mpa 45 45
Refractoriness under load 0.2Mpa ℃ 1650 1650
Bulk Density g/cm3 2.98 3.05
Thermal Shock Resistance (1100℃ water cooling, times) 4 4



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