... carefully to get a complete range of grit sizes. It is used for making bonded abrasive ... :AE-10 can match various applications like producing all kinds of vitrified bonded grinding wheels, resign bonded ... scale, 9.0 Mohs scaleMagnetic Material 0.0076% Grain Sizes Available (F):12, 14, 16, 20, 22, 24, ... , 80, 90, 100, 120, 150, 180, 220. Microgrit Sizes Available (F):240, 280, 320, 360, 400, 500, 600, 800 ...