New Pyrolytic Boron Nitride (PBN) Plates-heegermaterials View larger

Pyrolytic Boron Nitride (PBN) Plates

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Pyrolytic Boron Nitride (PBN) is a kind of advanced ceramic, can be produced with 99.999% purity in high density. It made by ammonia and Boron halide through Chemical Vapor deposition(CVD) process in high temperature and high vacuum condition: NH3 +BX3=BN+3HX, it can be produced as PBN plates, and also can be produced as PBN final products directly like crucible, boat, coating, etc.

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Product Instruction:

PBN is easy procession, can be machined to many kinds shape of parts. They are applied widely as structural components in high temperature and vacuum environment.

Product Feature

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

Parameter of PBN:

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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