Alumina Refractory Bricks

Alumina Refractory Bricks, shaped refractory material, are a kind of refractory bricks with different alumina content. There are many types of alumina fire bricks according to different alumina content and raw materials, such as Alumina Magnesia Carbon Brick, High Alumina Refractory Bricks, Aluminum Insulation Brick, Alumina Bubble Brick and so on. Different alumina refractory bricks have different features, application and specification.

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Alumina Refractory Bricks

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    Description For Alumina Refractory Bricks

    Alumina Magnesia Carbon Bricks

    Alumina Magnesia Carbon Bricks are made of special grade bauxite and corundum, magnesia and graphite as the main raw materials through molding and firing in the high temperature, which have the advantages of strong corrosion resistance, high residual linear expansion rate, low creep under high temperature, slag erosion resistance, thermal shock resistance and excellent high temperature performance. Alumina Magnesia Carbon Bricks can be used as lining brick in the converters, EAFs, ladles and refining furnaces.

    Alumina Magnesia Carbon Bricks In Rongsheng
    Alumina Magnesia Carbon Bricks

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      Alumina Magnesia Carbon Bricks Specification

      Alumina Magnesia Carbon Bricks

      Item/Index LMT-6 LMT-8
      MgO  % ≥6 ≥8
      Al2O3  % ≥78 ≥78
      C  % ≥8 ≥8
      Apparent Porosity % ≤5 ≤5
      Bulk Density  g/cm3 ≥3.1 ≥3.1
      Crushing Strength  Mpa ≥45 ≥45

      High Alumina Refractory Bricks

      High Alumina Refractory Bricks are manufactured with selected high quality bauxite as the main raw material and fired in the high temperature of 1420~1530℃ through dry pressed by adopting advanced production equipments and manufacturing process under the strict control and management. High Alumina Refractory Bricks have features of high strength, thermal stability, chemical slag erosion resistance, good high temperature performance and accurate dimension, which can be used in the furnaces of metallurgy industry, heat treatment furnace, chemical industry, construction industry, incineration of garbage, recirculating fluidized bed furnace.

      High Alumina Refractory Bricks In Rongsheng
      High Alumina Refractory Bricks

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        High Alumina Refractory Bricks Specification

        High Alumina Refractory Bricks

        Item / Index LZ-80 LZ-75 LZ-65 LZ-55 LZ-48
        Al2O3 % ≥80 ≥75 ≥65 ≥55 ≥48
        Refractoriness ℃ ≥1790 ≥1790 ≥1790 ≥1770 ≥1750
        Bulk Density g/cm3 2.65 2.5 2.45 2.4 2.3
        Softening Temperature Under Load ≥1530 ≥1520 ≥1500 ≥1470 ≥1420
        Apparent Porosity % ≤22 ≤23 ≤23 ≤22 ≤22
        Cold Crushing Strength  Mpa ≥55 ≥50 ≥45 ≥40 ≥35
        Permanent Linear Change % 1500℃*2h 0.1 0.1 0.1 0.1
        -0.4 -0.4 -0.4 -0.4
        1450℃*2h 0.1
        -0.4

        Alumina Insulating Fire Bricks

        Alumina Insulating Fire Bricks, a kind of insulation materials, are manufactured with organic matter as ignition loss substance that can increase the porosity of refractory. Alumina Insulating Fire Bricks have features of good insulation effect, high temperature resistance, low thermal conductivity, large compressive strength, good thermal stability, high apparent porosity, and long service life for application as the lining bricks for insulating layer in the industrial furnaces or kilns for saving heat energy.

        Alumina Insulating Fire Bricks In Rongsheng
        Alumina Insulating Fire Bricks

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          Alumina Insulating Fire Bricks Specification

          Alumina Insulating Fire Bricks

          Item / Index PD-0.8 PD-1.0 PD-1.2
          Al2O3 % ≤60 ≤60 ≤60
          Fe2O3 % ≤1 ≤1 ≤1
          Bulk Density g/cm3 0.8 1 1.2
          Cold Crushing Strength Mpa ≥5 ≥6.5 ≥8
          Refractoriness Under Load 0.1Mpa 1400℃ 1400℃ 1450℃

          Alumina Bubble Brick

          Alumina Bubble Brick is produced with high quality clinker bauxite as the raw material with Fe2O3 and TiO2 content. Alumina Bubble Brick has features of high temperature resistance, high refractoriness under load, volume stability, good thermal shock resistance, high strength, low thermal conductivity, low bulk density and good thermal insulation that can be used as the insulation lining of petrochemical black furnace, gas-generating furnace and the lining materials for the high temperature furnace.

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          Alumina Bubble Bricks

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            Alumina Bubble Brick Specification

            Alumina Bubble Brick

            Item / Index LKZ-88 LKZ-98
            Max Service Temperature ℃ 1650 1800
            Al2O3 % ≥88 ≥98
            SiO2 % ≤0.2
            Fe2O3 % ≤0.3 ≤0.2
            Bulk Density  g/cm3 1.30~1.45 1.40~1.65
            Cold Crushing Strength  Mpa ≥6 ≥8
            Refractoriness Under Load ℃ (0.1Mpa, 0.6%) ≥1650 ≥1650

            Alumina Refractory Bricks Manufacturer

            Rongsheng as a professional Alumina Refractory Bricks Manufacturer with advanced production technology and equipments insists on providing all kinds of high quality alumina fire bricks at low price. Any need? Please Contact Us For Free Quote!

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