... sand grinding,vibration grinding 3.monthly output 10,000tons!!! High alumina micro beads--Al2O3 92%, size 0.1-29mm: Application ... • High performance abrasion resistance alumina micro bead is mainly used for non-metal mineral ... paint, ink, coatings, dyes,rubber and power industries. Performance:• High density and hardness, impact resistance, low wear rate, smooth ...