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Boron Carbide Granule/Powder Boron carbide, a black crystal powder, is one of the hardest Man-Made materials, its hardness with Mohs hardness 9.*6 and microscopic hardness ********0kg/mm2 is only near upon diamond, its density 2.*2g/cm3 and melting point at ***0 ,The boron carbide possesses properties of endurance hi/low temperature, no reaction with either acids or alkalis, high grinding efficiency, no magnetism. It is a good replacement of diamond. Boron carbide also possesses the specialty properties of light quality, neutron absorbing, semi-conductivity, etc. so it is used in armed forces and nuclear industry. Boron carbide is widely applied as follows: boriding refractory, ion transfuse, film layer as well as grinding, polishing, drilling hard metal alloys, jewels, etc. meanwhile, it is main materials for the wear-resisting parts, precise meter-age element, precise spray nozzle, sealed washer, smelting boron steel, boron alloy, etc. Boron carbide has showed many better properties of physics and chemistry in the hi-science/technology field. If you are interested in the above products, pls keep us advised, we will provide more details for your reference. Thanks & Best Regards. C A E C, Sales Division