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    There are several different types of alumina: Smelter Grade Alumina (SGA) or metallurgical grade alumina – used for the production of primary aluminium metal Refractory grade alumina’s – of varying purities, used in the production of refractory products and abrasives.

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    The mineralogy of the bauxites has a significant impact on the operation of the Bayer process for alumina production. Typically, the Bayer process produces smelter-grade alumina of 99.5% Al 2 O 3 , starting from bauxite containing 30% to 60% Al 2 O 3 .

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    Aluminum-producing companies rely on low-cost, high-purity, smelter-grade alumina (aluminum oxide), and alumina production utilizes the bulk of bauxites mined world-wide.

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    U.S. production and shipments of smelter-grade alumina , de rived almost exclusively from imported metallurgical-grad e bauxite , decreased by 8% and 6% respectively in 1995.

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    Appearance: White free-flowing powder: Packaging: Bulk delivery: Safety Information: This product is non-hazardous, non-toxic and not inflammable. Since legislation may vary from country to country the specific instructions for each jurisdiction have to be adhered to.

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