FEPA P grit,brown aluminum oxide grain for producing high quality sanding belt,sanding paper,sand cloth,jumbo roll Description:AP-17 It is ... for producing all kinds of coated abrasives products, such as sand paper, cloth, rolls, belts, etc.Typical Chemical Analysis:Al2O3 95. ... , 180, 220.Microgrit Sizes Available (P):240, 280, 320, 360, 400, 500, 600, 800, 1000, 1200.Grain Size Distribution :Upon ANSI ...