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    1. PRODUCTS

      Magnesia Compound Brick(HYBRIMAG)

      Magnesia Compound Brick(HYBRIMAG)

      Introduction

            It is one of Marvels traditional leading product for more than 50 years. Based on different main raw material, it is divided as Magnesia alumina brick (MAB), Magnesia alumina chrome brick(MAK) and Magnesia spinel brick(MAS).

      Properties


      (1)Magnesia alumina brick(HYBRIMAG  MAB)

            It is made primarily of magnesia, with a few high alumina bauxite, pressed under high pressure and produced by medium temperature firing. It is an upgrade of pure magnesia brick. Compared with magnesia brick of same substrate, it has higher RUL, resistance to slag penetration and thermal shock as well as high temperature mechanical flexibility. It was widely used as working lining and safety lining at non-critical parts of traditional metal smelting furnace(such as open-hearth furnace, convertor and non-ferrous smelter) as well as small and medium size glass regenerator.


      (2)Magnesia alumina spinel brick(HYBRIMAG  MAS)

            It is made primarily of magnesia (corundum grain) and a few synthetic spinels, is pressed under high temperature and produced by high temperature firing. It is the upgrade product of pure magnesia brick and magnesia alumina brick. Compared with magnesia alumina brick (corundum brick) of same substrate, it has excellent RUL and TSR. Therefore, it was used at area where it stands for fierce thermal shock damage and longtime high temperature in the high temperature industrial furnaces such as VOD ladle molten metal line and free zone.


      (3)Magnesia alumina chrome brick(HYBRIMAG  MAK)

            It is made primarily of magnesia grain, synthetic spinel and a few amount of chrome ore, pressed under high pressure and produced by medium to high temperature firing. It is upgrade product of pure magnesia brick and magnesia alumina brick. Compared with magnesia alumina brick of same substrate, it is improved in properties such RUL, TSR. It was used at arch or roof in various high temperature industrial furnaces, where it stands for fierce thermal shock and longtime thermal load.

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