... P grit,brown aluminum oxide grain for producing high quality sanding belt,sanding paper,sand cloth,jumbo roll Description:AP-17 ... It is one type of non-calcined Brown Fused Aluminium Oxide grain ... of coated abrasives products, such as sand paper, cloth, rolls, belts, etc.Typical Chemical Analysis:Al2O3 95 ... ISO 6344-2: 1998 brown fused aluminum oxide FEPA P grit