Electro Abrasives silicon carbide, black, green, fused alumina oxide, brown, pink, white, boron carbide, sic, powder, refractory, abrasive Electro Abrasives manufactures high quality black and green silicon carbide and powders, macro & micro grits, and coarse mesh sizes for abrasives, refractories, ceramics, and more. We offer competitive pricing and short lead times for the best customer experience possible.