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fused magnesia-alumina spinel, Super-Class (Refractoriness> 2000°),Block ,black gray granular

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    fused magnesia-alumina spinel, Super-Class (Refractoriness> 2000°),Block ,black gray granular


    fused magnesia-alumina spinel is a synthetic refractory material from commercial alumina(purity over 98.5%),light fired magnesia(purity over 96%)and some high purity magnesite(MgO over 47%)by high temperature melting in electrical are furnace. The fused Mg-Al Spinel Consists of well grown crystals and possesses high density and structure homogeneity. So it is a high quality raw material for manufacturing spinel-periclase refractories with high strength and good thermal shock resistance.

    The fused Mg-Al spinel is ideal raw material for the production of continuous casting,slide gate bricks for casting mozzle, firebricks for lining of ladle, liner bricks for cement kiln, refractory casting, kiln furniture for medium and high temperature applications.

    Note:Some high-grade or medium-grade magnesia-alumina spinel with various contents of magnesia and alumina(rich magnesia or rich alumina)can be provided.

    Fused Magnesium Aluminum Spinel is manufactured from high purity raw materials in large electric arc furnace.Fused Magnesium is a good kind of refractory properties and superior refractory aggregate. Fused Magnesium can be used in aluminous refractory bodies, prefired shape and monolithics to improve their resistance to slag attack.

    AM-60 Chemical composition(%):Al2O3:56-62% MgO: 30-32% SiO2: 3.5%MAX

    AM-70 Chemical composition(%):Al2O3: 71-77% MgO: 22-27% SiO2: 3.0%MAX

    AM-80 Chemical composition(%):Al2O3: 81-86% MgO: 13-17% SiO2: 3.0%MAX

    AM-90 Chemical composition(%) :Al2O3: 88-92% MgO: 7-11% SiO2: 2.5%MAX

    Quality fused magnesia-alumina spinel, Super-Class (Refractoriness> 2000°),Block ,black gray granular for sale
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