Hot-pressed boron carbide is a nonmetallic refractory compound, which is one of the hardest materials in artificial abrasives. Hot - pressed products have high wear resistance, gray - black luster. Boron carbide ceramic has good wear resistance, so it has important applications in the field of wear resistance. The nozzle made of boron carbide ceramic has a long service life under harsh conditions, much higher than the nozzle made of alumina, tungsten carbide and other materials.

In powder engineering unit operations, with the centrifugal spray dryer for making ceramic powder, low pollution, fast drying speed, uniform moisture content, narrow grain size distribution and powder as well as good liquidity, but a lot of ceramic powder high hardness, the high speed rotating centrifugal nozzle wear serious, the use of boron carbide can effectively improve the service life of nozzle.