... carbide abrasive grain. Description:The high density black silicon carbide fused by heating high purity silicon ... refractory and ceramic industry.CF-16 is a black, friable, medium bulk density silicon carbide abrasive grain ... As loose grains, it is widely used for pressure blasting, surface finish and other general industrial ... 360, 400, 500, 600, 800, 1000, 1200. Black Silicon Carbide used for Ceramic