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Pyrolytic Boron Nitride (PBN) Plate/Sheet/Disc

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PBN Plate/Sheet/Disc are often used as insulation parts in high vacuum and high temperature environments because of their excellent high temperature electrical insulation properties and ultra-high purity. The purity can be 99.999% with high density. It is made by ammonia and Boron halide through a Chemical Vapor deposition(CVD) process in high temperature and high vacuum conditions.

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Data sheet

Purity 99.99%-99.999% (4N-5N)
Production Method CVD

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PBN is an easy procession and can be machined to many kinds of shapes of parts. They are applied widely as structural components in high-temperature and vacuum environments. Heeger Materials supplies pyrolytic boron nitride(PBN) plates with high-quality and at a competitive price.  

Pyrolytic Boron Nitride (PBN) Plates Feature

  • High Purity (99.999%)
  • Uniform thickness
  • High resistivity and insulative
  • Low outgassing in high temperature
  • Inert, no reaction with acid and alkali 

Pyrolytic Boron Nitride (PBN) Parameter

Properties

Units

Values

Density

g/cm3

1.95-2.20

Tensile Strength

MPa

112

Bending Strength

MPa

173

Compression Strength

MPa

154

Young's Modulus

GPa

18

Thermal Conductivity

W/m°C

"a" 60     "c" 2

Specific Heat

J/g·℃

0.90(RT)

Resistivity

Ω.cm

2×1015

Dielectric Strength

D.C. volts/mm

2×1015

Dielectric Constant

 

"c" 3.07

Metal Impurity Content

ppm

<10

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