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Technical Ceramics

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Ceramic Boron Nitride Setters for Nitride Ceramics Sintering

Boron Nitride can be compared to graphite thanks to lubrication capacities, good thermal conduction and easy machinability, although it's white and has good electrical insulation. Plus, it isn't wetted by most molten metals and can therefore be used as a container for most molten metals.
  • 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

▼ Material Description

The exceptional properties of boron nitride such as high operating temperature and thermal shock resistance are exploited in variety of sintering applications, both in powder form, as a bedding-in powder, and in sintered form using plates and crucibles. Use of Boron Nitride in these applications ensures an even heat transfer to prevent the differential thermal expansions that can lead to the distortion of the finished sintered part.


UNIPRETEC offers different BN grades in the right combination of mechanical strength, high purity and low coefficient. Using of boon nitride sintering crucibles and settes offer multiple runs without warping, easy cleanup between runs, long service life, reduced frequency of replacement, and protection against contact reaction between sintered parts and supporting media.


UNIPRETEC is able to make a broad range of BN crucibles in various sizes and configurations in high volume with a consistent product quality, as our engineers work closely with our customers from design to production to provide crucibles that meet their exacting standards.


▼ Material Feuatures

  Good Chemical Inertness
  Good Thermal Conductivity
  High Working Temperature
  Non-wetted by Molten Metal
  Outstanding Lubricating Properties   
  Excellent Thermal Shock Resistance


▼ Material Data Sheet

Hexagonal Boron Nitride Properties

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