Boron Nitride Ceramics can be offered in many forms including Powder, Paint, Paste, Aerosol and in Hot pressed solid form along with Pyrolytic Boron Nitride (PBN) a Chemical vapour deposition material.
Hot pressed boron nitride has a hexagonal structure similar to that of graphite. Although HPBN is an insulator with outstanding properties in Temperature, Dielectric constant, Thermal shock, Thermal conductivity. It can also be easily machined into intricate shapes with no post firing necessary.
Hot pressed boron nitride is a powder which is sintered at 2000 deg C plus. Depending on the process there are several grades that can be selected for your requirement.
Whether its extreme high temperature high vacuum using no binder due to thermal extraction to moisture resistance using calcium borate glass as a binder. There is a grade of HPBN for most applications.
Hot Pressed Boron Nitride Composites change the Boron Nitride properties. Adding zirconia for molten metal applications such as break rings for horizontal casting or Silica for unparallel resistance to thermal shock and resistance to moisture and Aluminium nitride for excellent thermal properties.
Pyrolytic Boron Nitride with its intrinsic purity makes it the right choice for microwave and Semiconductor components and standard crucibles for MBE and Gallium Arsenide crystal production.
|High electrical resistivity||High voltage electrical insulators|
|High temperature material||Heat treatment insulators and fixture|
|Corrosion resistant||Break rings for continuous casting of metals|
|Excellent lubricating properties||Crucibles for high purity molten metals|
|Excellent thermal shock resistance||High temperature lubricant|
|Good chemical inertness||High temperature valves|
|High dielectric strength||Atomising Nozzles|
|High thermal conductivity||Refractory applications|
|Low density||PVD insulators and shields|
|Non-wetting||Insulating Stand offs|
|Good machinability||Vacuum furnace supports|