... no magnetism. It is a good replacement of diamond. Boron carbide also possesses the specialty properties of light quality, neutron ... film layer as well as grinding, polishing, drilling hard metal alloys, jewels, etc. meanwhile, it is main materials for the ... element, precise spray nozzle, sealed washer, smelting boron steel, boron alloy, etc. Boron carbide has showed many better properties of physics ...