... sizes. Applications:A-10B is an angular grain with very sharp edges used in organic bonded cut ... 0.07% Physical Properties:Color BrownShape Angular grain shapeCrystal Form Alpha alumina trigonal systemSpecific Gravity 3 ... scale, 9.0 Mohs scaleMagnetic Material 0.0076% Grain Sizes Available (F):12, 14, 16, 20, ... 90, 100, 120, 150, 180, 220, 240 Grain Size Distribution :Upon ANSI B74.12-2001, FEPA-Standard ...