And whether boron carbide sand blasting nozzles is industrial ceramic, structure ceramic, or refractory. there are 1,522 boron carbide sand blasting nozzles suppliers, mainly located in asia. the top supplying countries or regions are china, sri lanka, and india, which supply 99%, 1%, and 1% of boron carbide sand blasting nozzles respectively. Some manufacturers produce their own composite carbide nozzles, which are even harder than boron carbide. nozzles are not cheap to replace. one benefit of vapor abrasive blasting is that your nozzles will last up to 3x longer than a dry blasting nozzle, because the particles are enclosed in a lubricating water jacket, which reduces friction ... Boron carbide nozzle bms/bxs with silicone jacketcoarse thread 50mm. optimized blast nozzle design for effective blasting performance and protection of the boron carbide liner due to multi-layer construction made of stabilizing aluminium and allergen-free, damping silicone. Because of its hardness, low density, high temperature resistance, excellent wear and anti-corrosion, boron carbide nozzle has been widely used in sandblasting and shot peening equipments, offering a longest life with optimum air and abrasive use.