... passed ISO9001:2000.Brown fused alumina 1) High Al2O3 Content: 95%min 2) Professional manufacture 3) Hot sale overseas 1. IntroductionBrown fused alumina is made by ... size through crystal, choosing, crashing, magnetic, separating, screening, washing and acid washing, etc. 2. SpecificationF: 4#-80# 90#-150# 180#-240 ... customers all over the worldWelcome to consult other products. brown fused alumina