... years 4) Passed ISO 9001:2000 Brown Fused Alumina Oxide for Bonded Abrasives 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 ... , F360, F400, F500, F600, F800, F1000, F1200Generally, we use 7 washing and 5 sieves for sieving the material. 4. Packing ...