Corundum Castable and Corundum Mullite Castable Difference

Corundum castable has a higher aluminum content and a higher price than ordinary castable, but good refractory products have a longer service life than other refractory castables. Corundum castable manufacturing quality is stable and reliable, worthy of customer trust, welcome to purchase.

 

Corundum castable manufacturing
Corundum castable manufacturing

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    The common corundum castable mainly includes two kinds of corundum refractory castable and corundum mullite refractory castable. Both types of refractory castables contain corundum, but they differ greatly in terms of performance. Below we introduce the concrete difference of these two kinds of refractory castable for everybody.

    The corundum contained in the preparation of rigid jade refractory castable is a kind of trigonal crystal system, the crystal type is generally short columnar, and the corundum itself also has high thermal conductivity and electrical insulation properties, excellent chemical stability and resistance to reducing agents. Therefore, corundum is an advanced refractory material in the amorphous refractory. Corundum castable manufacturing is generally made of industrial alumina or bauxite after sintering or electric melting, so industrial use belongs to artificial corundum, but the density and hardness of artificial corundum are relatively large, the use effect is also relatively significant.

    Corundum mullite refractory castable is made with less mullite in nature, and the mullite used in industry is artificially synthesized. It has the characteristics of high purity, high density, good structure, low creep rate, small thermal expansion, good thermal shock resistance and strong chemical erosion resistance. It is widely used in the refractory industry, and the development is relatively rapid, but if you compare corundum and mullite, the hardness and true density of corundum is much better than mullite.

     

    Corundum castables
    Corundum castables

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      The difference between corundum castable manufacturing and corundum mullite is actually in terms of performance. Corundum mullite refractory castable is mainly of good wear resistance and fire resistance, while corundum mullite refractory castable is mainly of good thermal shock resistance, the aluminum content of corundum mullite castable is not as high as that of corundum high strength castable. But the corundum mullite castable is more flexible.

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        Corundum Castable For Sale

        Corundum castable is the most commonly used antiwear material in CFB boiler. Compared with traditional castable, it can greatly improve the running time of the boiler. Corundum castable manufacturing with high strength, impact resistance, mechanical wear and high temperature high speed airflow erosion.

        Corundum refractory castable has the characteristics of high strength, good performance at high temperature, stable volume, small thermal conductivity, strong resistance to slag permeability, erosion resistance, convenient construction, and the furnace structure integrity. We produce refractory castable, reliable and stable quality, wide range of use, worthy of customer trust.

         

        Corundum castable for sale
        Corundum castable for sale

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          This series of refractory castables are widely used in gas suspended roaster, oil refining catalytic cracking unit, cyclone separator, fluidized bed boiler and pipeline with high speed airflow erosion of medium in metallurgy, building materials, petrochemical, electric power and other industries.

          Corundum Castable Manufacturing For CFB Boiler Features

          Erosion wear, flue gas flow rate is large, solid material concentration is high. At medium temperature, smoke entrainment with a large number of solid particles, the wear – resistant lining for a strong, continuous erosion wear. At the same time, in the long-term operation of the boiler, frequent furnace, furnace stop and other factors under the joint action of the wear-resistant lining will produce a strong corrosion. To solve the medium temperature strength and thermal shock stability of wear-resistant refractory is an important way to improve the wear-resistant lining and the boiler operating life.

           

          Corundum castable manufacturing
          Corundum castable manufacturing

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            Corundum castable manufacturing can be divided into several types, among which, plate-shaped corundum castable is a kind of pure, without any additives such as MgO, B2O3 and so on, which is sintered into a completely shrinkage corundum, with a large crystal size and a well-developed Al2O3 crystal structure. High alumina, corundum and mullite are used as the main materials. High temperature inorganic liquid is used as the bonding agent. Ramming is adopted in construction. This series of refractory has the characteristics of good plasticity, stable thermal shock resistance and abrasion resistance. Mainly used for rotary kiln mouth and other wear-resistant parts and other industrial kiln lining.

            Zhengzhou Rongsheng Kiln Refractory Co.,Ltd. is a professional refractory manufacturers, we have a complete, scientific quality management system. Our integrity, strength and product quality to obtain the recognition of the industry. Welcome friends from all walks of life to visit, guidance and business negotiations.

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