... 4) Passed ISO 9001:2000 Brown Fused Alumina Oxide for Bonded Abrasives 1. Description: ♦ Brown Fused Alumina is a product manufactured by gradual ... .♦ Brown Fused Alumina is used as a raw material in the manufacture of high alumina refractory. 2. Applications:♦ Wet and dry blasting♦ ... F320, F360, F400, F500, F600, F800, F1000, F1200Generally, we use 7 washing and 5 sieves for sieving the material. 4 ...