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Pyrolytic Boron Nitride (PBN) Plate/Sheet/Disc

PBN1279

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Pyrolytic Boron Nitride (PBN) Plates/Sheets/Discs are used for insulation in high vacuum, high-temperature environments for their outstanding electrical insulation properties and ultra-high purity (up to 99.999%). Heeger Materials offers top-quality PBN plates/sheets/discs at competitive prices, with customized options for purity and dimensions to meet specific requirements.

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Data sheet

Purity99.99%-99.999% (4N-5N)
SizePer your request or drawing
Production MethodCVD

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Pyrolytic Boron Nitride (PBN) is characterized by its ease of machining, allowing it to be shaped into various plate-like components. Pyrolytic Boron Nitride (PBN) Plate/Sheet/Disc exhibits excellent chemical stability and mechanical properties under high-temperature and vacuum conditions, widely utilized as structural components in high-temperature and vacuum environments.

Pyrolytic Boron Nitride (PBN) is an advanced ceramic with up to 99.999% purity and high density, produced via Chemical Vapor Deposition (CVD) using ammonia and Boron halide in high-temperature, high-vacuum conditions (NH3 + BX3 = BN + 3HX). It can be manufactured as plates or directly as final products like crucibles, boats, and coatings.

HM is a leading supplier of high-quality Pyrolytic Boron Nitride (PBN) products, including PBN ringsPBN plates/sheets/discs, PBN crucibles (OLEDMBEVGFLEC), PBN rodsPBN heaters, and PBN coatings.

Pyrolytic Boron Nitride (PBN) Plate/Sheet/Disc

Pyrolytic Boron Nitride (PBN) Plate 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) Plate 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

Pyrolytic Boron Nitride (PBN) Plate Applications

  • Used as linings in high-temperature furnaces to protect and isolate the workpieces from the high-temperature environment.
  • Used in the electronics and electrical engineering field.
  • Used in optical instruments, laser systems, high-temperature optical windows, and other applications.
  • Used as coating materials for the inner walls of containers, liners for reactors, chemical sensors, and more.
  • Used to manufacture aerospace engine components, thermal insulation materials for spacecraft, high-temperature propellant nozzles, and more.

Pyrolytic Boron Nitride (PBN) Plate Packing

Pyrolytic Boron Nitride (PBN) Plate/Sheet/Disc is carefully packaged in cartons boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

Pyrolytic Boron Nitride (PBN) Plate/Sheet/Disc Packing

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