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Hot Pressed Hexagonal Boron Nitride Ceramic Plate


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Hot Pressed Hexagonal Boron Nitride Ceramic Plate

Hot Pressed Hexagonal Boron Nitride Ceramic Plate

H-BN Boron Nitride has an excellent perform in high temperature, high electrical resistivity, chemical inertness, and machinability. These characteristics allow its use for various industries. With the extraordinary machinability, we can produce all types of customized shapes.

  • Density :

    2.0 - 3.0 g/cm3

  • Max. Service Temp. :

    900 - 2,000 degree C

  • Thermal Conductivity :

    30 - 80 W/m.K

  • Dielectric Strength :

    35 KV/mm
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Product Detail

▼ Material Introduction

HBN - Hexagonal Boron Nitride exhibits a hexagonal structure and is sometimes known as white graphite, due to its lubricity, anisotropic properties, heat resistance, and high thermal conductivity. This latter property, combined with a low thermal expansion, leads to excellent resistance to thermal shock. All three forms, hot pressed, pyrolytic and hot isostatic pressed, can be used at very high-temperatures. However, in an oxidizing atmosphere the maximum use temperature is 850-900°C. Hot pressed and hot isostatic pressed boron nitride are produced by densification of powder, whereas pyrolitic boron nitride is produced by chemical vapor deposition (CVD), depositing onto graphite at temperatures in excess of 2,000°C. UNIPRETEC provides various hot pressed boron nitride ceramic parts.


▼ Features

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


▼ Boron Nitride Material Applications




● For Hall Effect Thruster
 ● For Horizontal Continuous Casting
 ● For Solar and Photovoltaic Industry






● As Melting Crucibles and Liners
 ● For High Temp. Vacuum Furnaces
 ● For Metal Powder Gas Atomising


▼ Material Date Sheet

Hexagonal Boron Nitride Properties

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UNIPRETEC is founded in 2011 and located in Xiamen, China. We produce customized components as well as a comprehensive standard range of high-performance ceramics. Our products made of Aluminum Oxide (Al2O3) and Zirconium Oxide (ZrO2), as well as Boron Nitride (BN) and Silicon Nitride (Si3N4) are mainly used in the areas: Electrical Engineering, Mechanical Engineering and High Temperature Technology.
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