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3730 raw alumina products are offered for sale by suppliers on Alibaba.com, of which ceramics accounts for 53%, refractory accounts for 27%, and oxide accounts for 4%. A wide variety of raw alumina options are available to you, such as moulding, cutting and punching.You can also choose from industrial, industrial ceramic and refractory raw alumina,as well as from alumina ceram, zirconia ceramic, and al2o3 raw alumina, and whether raw alumina is white, yellow, or ivory.