PBN Part

PBN Part

Product

Alumina Ceramics

Alumina Ceramic Tube

Alumina Ceramic Rod

Alumina Ceramic Substrates

Alumina Ceramic Disc

Alumina Ceramic Plate

Alumina Ceramic Roller

Alumina Ceramic Crucible

Alumina Ceramic Ring

Alumina Ceramic Part

Zirconia Ceramics

Zirconia Ceramic Tube

Zirconia Ceramic Rod

Zirconia Ceramic Plate

Zirconia Ceramic Disc

Zirconia Ceramic Crucible

Zirconia Ceramic Ring

Zirconia Part

Zirconia Knife

Silicon Carbide Ceramics

RBSiC

SSiC

R-SiC

Aluminum Nitride Ceramics

Aluminum Nitride Substrates

Aluminum Nitride Tube

Aluminum Nitride Plate

Aluminum Nitride Disc

Aluminum Nitride Part

Boron Carbide Ceramics

Boron Carbide Tiles

Boron Carbide Plate

Boron Carbide Insert

Boron Carbide Bushing

Boron Carbide Tube

Boron Carbide Nozzle

Boron Carbide Ball

Boron Nitride Ceramics (BN)

Boron Nitride Tube

Boron Nitride Plate

Boron Nitride Ring

Boron Nitride Nozzle

Boron Nitride Crucible

Boron Nitride Part

Pyrolytic Boron Nitride (PBN)

PBN Crucible

PBN Plate

PBN Tube

PBN Ring

PBN Part

Silicon Nitride (Si3N4) Ceramics

Silicon Nitride Substrates

Silicon Nitride Bearing

Silicon Nitride Igniter

Silicon Nitride Balls

Silicon Nitride Tube

Silicon Nitride Part

Beryllium Oxide Ceramics

BeO Tube

BeO Substrates

BeO Ring

Mullite Ceramics

Mullite Ceramic Part

Mullite Ceramic Tube

Mullite Ceramic Plate

GaN Ceramics

GaN Substrates

GaN wafer

Graphite

Graphite Crucible

Graphite Rotors and Shaft

Graphite Plate

Graphite Rod

Graphite Tube

Graphite Ring

Graphite Heater

Graphite Launder

Graphite Cylinde

Graphite Nozzle

Graphite Blocks

Quartz

Quartz Tube

Quartz Rod

Quartz Plate

Quartz Crucible

Quartz Ring

Tugnsten Carbide

Tungsten Carbide Rod

Tungsten Carbide Strips/Plate

Tungsten Carbide Burrs

Tungsten Carbide Dies

Tungsten Carbide Balls

PBN Part

Pyrolytic Boron Nitride (PBN) parts are high-purity ceramics with excellent thermal and electrical properties.

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Product Description

Features & Benefits

  • High purity and chemical stability
  • High thermal conductivity
  • Low thermal expansion coefficient
  • High electrical resistivity
  • Low dielectric constant and loss
  • High mechanical strength and hardness

Markets & Applications

  • Semiconductor manufacturing (e.g. crucibles, wafer carriers, etch chambers)
  • High-temperature furnaces and insulation (e.g. heating elements, insulators, crucibles)
  • Aerospace and defense (e.g. missile nose cones, re-entry vehicle heat shields)
  • High-power electronics (e.g. heat sinks, substrates)
  • Optical and laser components (e.g. windows, lenses, mirrors)
Property Value
Thermal conductivity 25-300 W/mK
Coefficient of thermal expansion (CTE) 2.3-2.7 ppm/K
Density 1.9-2.1 g/cm³
Hardness 7-9 Mohs
Maximum service temperature 1,800-2,200°C
Dielectric constant 2.2-3.6
Transparency Transparent in IR
Chemical stability Chemically inert
Refractive index 1.7-1.9