... surface and body):a) Usual Al2O3: 92%b) Density: 3.62 - 3.65g/cm³c) Grinding lose (abrasion): 0.015% (0 ... ceramic materials and minerals, including sanitary wares, white glaze materials, iron ores, and copper orese) We call it white ball8) High alumina ... ceramic materials and minerals, including sanitary wares, white glaze materials, iron ores, and copper orese) We call it white brick or white ...