Boron  Carbide                                                                                         

3.5um 0.5um B4C for b4c ceramics

b4c is one of the hardest man-made materials and has high grinding efficiency. Used as an abrasive for the grinding, grinding, drilling and polishing of precious stones, ceramics, tools, bearings and carbide precision components.
It does not react with strong acids and alkalis, Mohs hardness is 9.6, microhardness is 5400-6300 kg/square meter, density is 2.52 kg/square meter, and melting point is 2450 degrees Celsius. b4c
It is hexagonal dark black, and b4c is mainly used as an additive for high-grade anti-oxidation, high temperature and wear-resistant products such as refractory materials and wear-resistant electrodes. Dense b4c made from sandblasting nozzles. mechanical density seal. Bulletproof material, because b4c has a large thermal neutron capture cross section, can absorb a large number of neutrons, and can be used in high-tech fields such as nuclear reactors.
b4c, also known as black diamond, is an inorganic substance with a chemical formula of B4C, usually gray-black micropowder. It is one of the three hardest materials known (second only to diamond and cubic boron nitride). It is used in gem grinding polishing tankarmor, bulletproof vests and many industrial applications. Its Mohs hardness is about 9.6

b4c for b4c ceramics is produced by high temperature smelting boric aid and carbon materails in electric furnaces.