1.brown aluminum oxide P grit 2.produce sanding cloth, abrasive paper, abrasive sanding belt Description: ... , belts, etc.Typical Chemical Analysis:Al2O3 95.56%TiO2 2.25%SiO2 1.08%Fe2O3 0.08%Physical Properties:Color ... 60, 80, 100, 120, 150, 180, 220.Microgrit Sizes Available (P):240, 280, 320, 360, 400, 500, 600, 800, 1000, ... -2006, FEPA-standard 43-1:2006 or ISO 6344-2: 1998 BFA brown aluminum oxide