3M™ Boron Carbide Abrasive Powders | 3M United States
3M™ Boron Carbide Abrasive Powders are made of high-purity boron carbide, which is sometimes called "black diamond" for its hardness and chemical resistance. 3M boron carbide abrasive powders are suitable for lapping and sawing of a wide variety of technical ceramics (alumina, zirconia or silicon carbide), tungsten carbide, sapphire, synthetic gemstones, and other hard and super hard ...