... for 5 years 4) Professional manufacture Brown Corundum for Glass Polishing Wheels 1. Description: ♦ Brown Fused Alumina is a product manufactured ... vestigial amounts of TiO2, SiO2, Fe2O3, CaO and MgO.♦ Brown Fused Alumina is characterized by good toughness, high mechanical resistance ... and coated abrasive tools, and lapping and polishing processes.♦ Brown Fused Alumina is used as a raw material in the ...