... alumina fired and monolithic refractory products like bricks and pre-cast shapes. Sizes: F8, F10, F12, F14, F16, F20, F22, F24 ... , F600, F800, F1000, F1200, F1500 Usages: grinding media, sandblasting media; surface cleaning, grit blasting, lapping, polishing, grinding, sandblasting, etching wet and dry blasting mineral ...