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2251 brown alumina oxide products are offered for sale by suppliers on Alibaba.com, of which abrasives accounts for 45%, refractory accounts for 11%, and oxide accounts for 3%. A wide variety of brown alumina oxide options are available to you, such as industrial grade, electron grade and reagent grade.You can also choose from white, black and yellow brown alumina oxide,as well as from 13463-67-7, 1344-28-1, and 1309-48-4 brown alumina oxide,and whether brown alumina oxide is white powder, or liquid.