1.White corundum FEPA P grit 2. for making sanding cloth, sanding paper, ... .95Hardness 2150 Knoop scaleMagnetic Material 0.0025%Macrogrit Sizes Available (P):12, 16, 20, 24, 30, 36, 40, 50, ... Distribution :Upon ANSI B74.18-2006, FEPA-standard 43-1:2006 or ISO 6344-2: 1998 Grain Size Distribution ... :Upon ANSI B74.18-2006, FEPA-standard 43-1:2006 or ISO 6344-2: 1998Key words:white fused ...