... is widely used in abrasive, refractory and ceramic industry.CF-16 is a black, friable, medium bulk density silicon carbide ... industrial applications.Typical Chemical Analysis:SiC 98.60%Free Carbon 0.16%Fe2O3 0..33%Physical Properties:Color BlackShape AngularCrystal Form Alpha silicon ... /mm, 9.2 Mohs scaleMagnetic Material 0.0065%Macrogrit Grain Sizes Available (F):12, 14, 16, 20, 22, 24, 30, 36, ...