... resistance, etc. Description The products are featured by high hardness, big density, low wear lost, good nomalization ... , good corrosion-resistance, etc. High Alumina Grinding ball is one of our main products by the advanced ... and easier application.They are the most ideal high-efficient grinding media for milling glaze material, ... 5±3.5±3.5 high-efficient of high alumina media:Abrasive Ball Al2O3 99%