Insulating Fire Brick

Insulating Fire Brick for sale in Rongsheng Kiln Refractory is a kind of firebrick that made from high-purity refractory clays with graduated additions of alumina for the higher temperature-rated products and is mainly used for insulating layer of kiln and furnace to prevent the temperature losing.

Cheap Insulating Fire Brick For Sale in Rongsheng Kiln Refractory Material Supplier
Insulating Fire Brick

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    Description for Insulation Fire Brick

    Insulating firebrick for sale is a kind of refractory insulation materials and has up to 1850 ℃ refractoriness. Its chemical and physical properties serve the purpose of all kinds change in the heating furnace.

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    Mullite Bricks

    Mullite Bricks are an excellent quality high alumina refractory product with about 65~75 percent alumina content. Mullite brick is made ...
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    Light Weight Fire Clay Insulation Brick

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    Cheap Medium Duty Firebrick For Sale in Rongsheng Kiln Refractory Supplier

    Medium Duty Firebrick For Sale

    Medium Duty Firebrick For Sale in Rongsheng Refractory is a kind of aluminosilicate refractory product with over 48% aluminum oxide (Al2O3) ...

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      Classification of Insulating Fire Brick

      • Light Weight Fire Clay Insulation Brick
      • High Alumina Insulation Refractory Brick
      • Mullite Insulation Fire Brick
      • Alumina Bubble Brick

      Mullite Insulation Fire Brick

      Mullite insulation brick is manufactured with tiny air space similar to honeycomb and the bricks have an excellent insulating property. Mullite insulating bricks can be used in industrial furnace and kilns such as for hot face furnace lining or outer back-up heat lining insulation with features of resisting high temperature and saving heat energy efficiently.

      Light Weight Fire Clay Insulation Brick

      Fire Clay Insulation Brick can be used in melting furnace, refine equipments, heating equipment, regenerative apparatus, gas furnace, soaking pit, annealing furnace, reaction chamber and other industrial hot working equipment with xcellent performance of high strength, even bulk density, low thermal conductivity and low impurity.

      High Alumina Insulation Refractory Brick

      High Alumina Insulation Refractory Bricks are mainly used to construct and protect linings of Blast Furnace, Hot Air Furnace, Air Furnace, Reverberatory Furnace and Rotary kiln and etc with high temperature strength, high thermal stability and good chemical slag erosion resistance.

      Alumina Bubble Brick

      Alumina Bubble Brick is a quality refractory material for resisting high temperature and special demands of positions for furnace and kiln and can be used for service linings in manufacturing high-purity quartz for the electronics industry.

      Cheap Insulation Bricks For Sale in Rongsheng Kiln Refractory Material Supplier
      Insulation Bricks

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        Performance of Insulating Fire Brick

        • Good insulation values
        • High strength
        • Lower content of iron and other impurities
        • Lower heat storage
        • Low reheat shrinkage
        • Low heat conductivity
        • High cold crushing strength
        • Resistance to CO erosion
        • High temperature resistance
        • Good temperature shock resistance

        Application of Insulating Fire Brick

        • Insulation firebrick is mainly use for all kinds of linings, such as
        • Blast furnace for iron-making.
        • Hot blast stove for chemical industry.
        • Rotary kiln for cement-making, chemical metallurgical and lime-making.
        • Heating furnace & Power boiler & Lime kiln
        Cheap Insulating Refractory Brick For Sale in Rongsheng Kiln Refractory Material Supplier
        Insulating Refractory Brick

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          Technical Index of Insulating Fire Brick

          Fireclay Insulation Brick

          Item/Index Unit Fireclay Insulation Brick
          NG-0.6 NG-0.8 NG-1.0 NG-1.3
          Al2O3 ≥ %
          Fe2O3 ≤ %
          Bulk Density ≤ g/cm3 0.6 0.8 1.0 1.3
          Cold Crushing Strength ≥ MPa 1.5 2.5 3.0 4.5
          Reheating Linear Change (Testing Temperature ≤ 2%) 1200 1250 1350 1350
          Thermal Conductivity (Average Temperature 350℃±25℃) W/M*K 0.25 0.35 0.5 0.60

          High Alumina Insulation Brick

          Item/Index Unit High Alumina Insulation Brick
          LG-0.6 LG-0.8 LG-1.0
          Al2O3 ≥ % 48 48 48
          Fe2O3 ≤ % 2.0 2.0 2.0
          Bulk Density ≤ g/cm3 0.6 0.8 1.0
          Cold Crushing Strength ≥ MPa 2.0 3.0 4.0
          Reheating Linear Change (Testing Temperature ≤ 2%) 1350 1400 1400
          Thermal Conductivity (Average Temperature 350℃±25℃) W/M*K 0.3 0.35 0.5

          Mullite Insulation Fire Brick

          Item/Index Unit Mullite Insulation Fire Brick
          LG-0.6 LG-0.8 LG-1.0
          Al2O3 ≥ % 63 65 65
          Fe2O3 ≤ % 0.8 0.8 0.8
          Bulk Density ≤ g/cm3 0.6 0.8 1.0
          Cold Crushing Strength ≥ MPa 1.5 3.0 2.5
          Reheating Linear Change 1450℃*12h

          /1500℃*12h  ≤

          % 1.5 1.0 1.0
          %
          0.1Mpa  Refractoriness Under Load  To.6 RUL ≥ 1300 1400 1450

          Alumina Bubble Brick

          Item/Index Unit Alumina Bubble Brick
          BG-1.2 BG-1.4
          Al2O3 ≥ % 80 80
          Fe2O3 ≤ % 0.5 0.5
          Bulk Density ≤ g/cm3 1.25 1.45
          Cold Crushing Strength ≥ MPa 6 8
          Reheating Linear Change 1450℃*12h

          /1500℃*12h  ≤

          %
          % 0.5 0.5
          0.1Mpa  Refractoriness Under Load  To.6 RUL ≥ 1550 1600
          Cheap Insulating Firebrick For Sale in Rongsheng Kiln Refractory Material Supplier
          Insulating Firebrick For Sale

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            Insulating Fire Brick Supplier

            Rongsheng is one of professional insulation bricks suppliers and export all kinds of high quality insulation firebrick for sale at lower price such as high alumina insulation refractory bricks, silica insulation bricks, lightweight silica insulation bricks, calcium silicate insulation bricks and etc. Rongsheng has professional sales team and engineers to provide customers with professional advice on application of all kinds of insulating refractory brick and also customize insulating firebrick for sale according to your special requirements for shapes and sizes.

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