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Magnesia alumina spinel rotary kiln brick

Magnesia alumina spinel brick is a kind of general refractory bricks which is manufactured by using magnesia sand and little industrial alumina oxide or bauxite as raw materials. The thermal shock resistance of magnesia alumina spinel brick is better than magnesia bricks.

Other name: Magnesia alumina spinel brick

Model Number: MAJ-75,MAJ-80,MAJ-84

Certification: ISO 9001-14001

Minimum Order Quantity: 5MT

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Magnesia alumina spinel brick

Introduction:

Magnesia alumina spinel brick is made of magnesia sand and little industrial alumina oxide or bauxite.

Advantage:

The thermal shock resistance of magnesia alumina spinel brick is better than magnesia bricks, and the refractoriness is above 1580°C, with high corrosion resistance to basic melting slag.

Application:

It is mainly applied to the top of steel making open-hearth furnace and EAF, high temperature cement kiln, large-scale cement rotary kiln and non-ferrous metal smelting furnaces, etc.


Magnesia alumina spinel brick phycial and chemical

ItemMAJ-75MAJ-80MAJ-84
MgO  %758084
Al₂O₃ %81214
Bulk Density g/cm³2.92.952.95
Cold Crushing Strength Mpa454560
Apparent porosity %191918
Thermal shock resistance at 1,100 ℃ water cooling121520
Refractoriness under load of 0.2Mpa(℃)160017001750
 Main Applications- Metal Line, Free   Board for General Ladle
- Permanent Line for Ladle (Wall)
- firing zone in rotary kiln
- upper and lower transition zone for rotary kiln




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