... so on. Typical Chemical Analysis:Al2O3 95.03%TiO2 2.08%SiO2 1.29%Fe2O3 0.80% Physical ... , 9.0 Mohs scaleMagnetic Material 0.0076% Grit Size Available (P):12, 16, 20, 24, 30, 36, 40, 50 ... 80, 100, 120, 150, 180, 220 Microgrit Sizes Available (P):240, 280, 320, 360, 400, 500, 600 Grain Size ... 2006, FEPA-standard 43-1:2006 or ISO 6344-2: 1998 Key words:ceramic coating aluminium oxide grain, calcined ...