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Boron carbide (B4C) is a hard, covalent ceramic of boron and carbon with a Vickers hardness over 30 GPa. It is one of the hardest materials known behind diamond and cubic boron nitride and has excellent abrasive wear resistance, fracture toughness and chemical inertness. It also has an extremely high neutron absorbing cross section making it useful in the nuclear industry.
Fiven’s boron carbide powder is highly protected from oxidation during storage and transportation thanks to an advanced production process and protective coating. The powder is a fine-grained, non-reactive, high-purity material that is used in a variety of industrial applications including abrasives and refractory materials. It is also used in ballistic armour and lightweight armor ceramic composites. Its high hardness and low density provides superior stopping power against high-velocity projectiles.
This tough material is also employed in abrasive tools like slurry pumping nozzles and grit blasting nozzles for metalworking. Its high stiffness makes it ideal for cutting hard alloys such as titanium and aluminium. It is also used in the nuclear industry as a control rod material and for radiation absorption in shielding and shut down pellets.
Safety precautions should be taken when handling boron carbide powder, especially in the case of breathing or skin contact. This includes the use of NIOSH approved respirators and gloves. If skin contact occurs, immediately flush the area with water and seek medical attention. Inhalation of boron carbide dust can cause irritation to the respiratory tract and eyes, and if it comes into contact with the skin, it may burn it.