Boron carbide is hard black with glossy crystals. Hardness is lower than industrial diamond, but higher than silicon carbide. It is less vulnerable than most pottery. It has a large thermal neutron capture cross section. Strong resistance to chemistry. The erosion of hydrogen fluoride and nitric acid. Soluble in molten base, insoluble in water and acid.
Appearance | Black powder |
Molecular Weight (g/mol.) | 55.25515 |
Specific Heat (cal-mol-c) | 12.5 |
Knoop Hardness | 2750 |
Mohs Hardness | 9.6 |
Micro Hardness | 4950kgf/mm2 |
Density & phase | 2.52 g/cm (Solid) |
Melting point | 2350 °C (2623.15 K) |
Boiling point | >3500 °C (>3773.15 K) |
Solubility In Water | Insoluble |
Crystal Structure | Rhombohedral |
Used for tank armor and body armor
Used for product grinding and drill
Be used to produce alloy powder so as to improve the life of the mechanical component;