... ball Test ball:8mm with compression Test Machine, cross Head Speed:0.5mm/min Wet Method of wear ... process of grinding,mixing, dispersion, Engineering Ceremic,Ceramic Capecitor,tiles,sanitarware,porcelain,Pigments,Enamels,cement,abrasive compounds ... , ceramic industry,other field would be paints, chemicals, electronics, plasticsISO certificate Alumina ceramic grinding ball