Boron carbide photograph

Boron Carbide

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FormulaB4C
Density2. 52 g/cm³
Molar mass55. 255 g/mol
Boiling point3,500 °C
Melting point2,763 °C (5,005 °F; 3,036 K)
Crystal structureRhombohedral
Date of Reg.
Date of Upd.
ID874797
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About Boron Carbide


Boron carbide is an extremely hard boron–carbon ceramic, and covalent material used in tank armor, bulletproof vests, engine sabotage powders, as well as numerous industrial applications. With a Vickers Hardness of >30 GPa, it is one of the hardest known materials, behind cubic boron nitride and diamond.

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