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  • Brief Introduction

    MgO-Al2O3-C Series Refractories

    Using top quality bauxite or corundum as aggregates, phenolic resin as binding agent and emphasizing matrix, AMR series of Al2O3-MgO -C bricks are offered in a range of MgO contents. They can be applied for ladle wall, bottom and other parts, showing the features of good corrosion resistance and spalling resistance as well as high strength etc.

    Using high purity spinel and corundum as main raw materials, with the help of special additive, AMR developed series of MgO spinel bricks for carbon-free ladles, which can reduce the contamination of molten steel during smelting of clean steel grades. So far they have been proven reliable performances in decades of operations in large or middle-sized ladles worldwide.


      Al2O3-MgO-C Al2O3-MgO-C Al2O3-MgO
    Brand HMAC-60 HMAC-70 HMAC-74 HAMC-65 HAMC-70 HSM
    MgO % Min. 55 68 71 10 10 5
    Al2O3 % Min. 23 8 6 65 68 88
    C % Min. 8 10 10 7 7 1.5
    Bulk Density g/cm3 Min. 3.00 2.90 3.00 3.00 3.05 3.2
    Apparent Porosity % Max. 6 5 5 8 8 6
    Cold Crushing Strength MPa Min. 30 35 40 40 45 75

     



    MgO-Al2O3-C Series Refractories