... black, friable, medium bulk density silicon carbide abrasive grain. Description:The high density black silicon carbide fused by heating high purity silicon ... ceramic industry.CF-16 is a black, friable, medium bulk density silicon carbide abrasive grain. To get this ... 80, 90, 100, 120, 150, 180, 220.Microgrit Sizes Available (F):240, 280, 320, 360, 400, 500, 600, 800, 1000, 1200. Black Silicon Carbide ...