The B4C boron carbide nozzles made of high-purity boron carbide raw materials, high-tech equipment and technology, with long service life, high hardness, high strength, high chemical stability, light weight, high temperature resistance, corrosion resistance, low friction coefficient Features, boron carbide nozzle has been widely used in sandblasting and shpt preening equipment, offering a longest life with optimum air and abrasive used.
http://www.mariejcarbide.com/carbide-wear-parts/tungsten-carbide-nozzle/