... Hotsale overseas Brown Fused AluminaIt is a product manufactured by gradual melting reduction of calcined bauxite in an electric arc ... cm3Specific Gravity:3.95-4.0g/cm3 Application:production of a broad range of abrasive tools, e.g. grinding wheels, abrasive ... processing durable articles, above all for steel processing, production of abrasive papers and clothes, in fireproof and ceramic industry, ...