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HBN Hot Pressed Hexagonal Boron Nitride Ceramic Rod

BN Boron Nitride is made by hot pressing at high temperature and pressure. It can easily be machined into custom shapes. The unique combination of highly exceptional thermal, physical and chemical properties of BN makes it ideal for solving tough challenges in various industrial applications.
  • Density :

    2.0 - 3.0 g/cm3
  • Max. Service Temp. :

    900 - 2000 degree C
  • Thermal Conductivity :

    30 - 80 W/m.K
  • Dielectric Strength :

    35 KV/mm
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Product Detail

BN - Boron Nitride Ceramic is often referred to as “white graphite” because it has a microstructure similar to that of graphite. However, ulike graphite, BN is an excellent electrical insulator that has a higher oxidation temperature. It offers high thermal conductivity and good thermal shock resistance and can be easily machined in virtually any shape. In inert/reducing atmospheres, BN can withstand temperatures over 2000°C. It's commonly used as an insulator in contact with tungsten and graphite electrodes at those temperatures. Besides, Boron Nitride can be used in oxidizing atmospheres up to 900°C. It is not wet by most molten metals and slags and can be used in contact with most molten metals including aluminum, sodium, lithium, silicon, tin, germanium, and copper.


Characteristics:

  Low density   Excellent Machinability
  Good chemical inertness   High electrical resistivity
  High thermal conductivity   High temperature material
  Excellent thermal shock resistance   Excellent lubricating properties
  High dielectric breakdown strength     Non-wetted by molten metal & glass


Material Properties

Hexagonal Boron Nitride Properties

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