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Magnesia Alumina spinel brick

Magnesia-aluminum spinel bricks have excellent chemical resistance and thermal shock resistance, and are one of the indispensable refractory materials in large cement rotary kiln under bad working conditions.

Other name: Mg-Al spinel brick

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

Certification: ISO 9001-14001

Minimum Order Quantity: 5 MT

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Mg-Al spinel brick

Description:

The erosion of alkali and sulfur and the rapid cooling and heating phenomenon have exacerbated the damage of refractory materials in the cement rotary kiln transition zone. Magnesia-aluminum spinel bricks are made of high-quality magnesia and high-purity fused magnesia and fused spinel, by a special process. It has excellent chemical resistance and thermal shock resistance, and is one of the indispensable refractory materials in large cement rotary kiln under bad working conditions.

Advantage:

High thermal shock resistance, excellent corrosion resistance, higher high temperature mechanical strength, excellent abrasion resistance, excellent kiln skin performance, chrome-free...

Application:

Rotary kiln transition zone


Mg-Al spinel brick physical and chemical

ItemMAJ-75MAJ-80MAJ-84
MgO  %758084
AlO %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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