Machinable boron nitride

Boron nitride, machinable ceramic


Final Advanced Materials provides machinable boron nitride ceramic. We can provide rods, boards or machine parts according to your drawings.


Boron nitride presentation


Boron nitride is a white solid material in the as produced hot pressed form. It is a low porosity solid. It is easily machined into complex shapes using standard carbide tooling. The material is anisotropic in its electrical and mechanical properties due to the hexagonal crystals and their orientation during the hot press consolidation.

Due to the densification method used, the physical properties of the material are different according to the perpendicular and parallel axis to the direction of sintering. Boron nitride is non toxic.

3 available grades :
 - NB, Boron Nitride with binder, machinable
 - NB HP, high purity Boron Nitride without binder, machinable
 - NB HD, high density Boron Nitride, sintered


Boron nitride main properties

  • High thermal conductivity
  • Low thermal expansion
  • Excellent thermal shock resistance
  • High electrical resistance
  • Low dielectric constant and loss tangent
  • Chemically inert
  • Microwave transparency
  • Easily machined – non abrasive and lubricious


Boron nitride application

  • Plasma arc insulators
  • High temperature furnace fixtures and supports
  • Vacuum melting crucibles
  • CVD crucibles
  • Electronic parts- heat sinks, substrates, coil forms, prototypes
  • Low friction seals
  • Microcircuit packaging