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Bauxite Sand is a special foundry molding sand for iron and steel casting. Its spherical particle shape guarantees very good flowability. Due to its special surface structure, the binder/hardener demand can be reduced compared to other molding sands. Bauxite Sand has a very good refractoriness of up to 1800°C and a low thermal expansion.
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Mold and core production; casting materials; refractory lining of foundry furnaces; melting and alloying
During sintering (firing) at temperatures of 1750 – 2000 C° in shaft or rotary kilns naturally occurring magnesium carbonate is converted into sintered magnesia, directly (...
Fluorspar, also known as fluorite or calcium fluoride (CaF2), is the calcium salt of hydrofluoric acid and a very widespread mineral that occurs primarily in granites and o...