... 1.Maufacturer of 50,000 tons/year 2.Al2O3 Content: 99% min 3.Passed ISO9001:2000 ... .Grit Size:8-5,3-1,1-0 Al2O3 99.5% White Fused Alumina 1. White ... , polishing materials, coating, chemical catalyst carrier, special ceramics and etc.2) For grinding high carbon steel, ... founding sand, coating materials, catalyst carrier, special ceramics and super refractory materials.Wilead Company Building And White ...