... in group size :0-1mm, 1-3mm, 3-5mm, 5-8mm ,8-12mm, 0-3mm, 0-5mm,0-10mm, 0-25mm ... ApplicationCoated AbrasivesSurface treatmentCeramic Tiles Anti-Skid Paints Model: WA Chemical compositions Physical propertiesItemsValue of specification (%) ItemsPropertyAl2O3 99.55min ColorWhiteSiO2 ... substance0.0023%max.... WFA ,whtie fused alumina for grinding wheel, WA abrasive