Fused magnesia

       The general term for the products produced by high-temperature treatment of magnesia based raw materials such as fused magnesia and magnesite to achieve sintering degree. Magnesia sand produced by using high-temperature equipment such as vertical kilns and rotary kilns for one-time or two-step calcination processes, using natural magnesite as raw material, is called sintered magnesia sand; The electric fused magnesia sand is formed by melting magnesite and other raw materials in an electric arc furnace and cooling them to a molten state; The product made by extracting magnesium oxide from seawater is called seawater magnesia sand. Magnesia is one of the important raw materials for refractory materials, used to manufacture various magnesia bricks, magnesia aluminum bricks, ramming materials, furnace repair materials, etc. Containing a lot of impurities, used for laying the bottom of steelmaking furnaces, etc.