Non aluminum coated castables are mainly used in the aluminum processing industry, aluminum melting furnaces, aluminum die-casting insulation furnaces, and so on. The main raw materials for aluminum free castable are mullite, andalusite, sillimanite, ultra-fine powder combination, and a new type of refractory castable prepared with low cement. The main feature is that it combines the characteristics of organic and inorganic binders, and adds a certain amount of new composite materials that are insoluble in aluminum.
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