PBN Tube

PBN Tube

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Alumina Ceramic Tube

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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

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Silicon Carbide Ceramics

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Aluminum Nitride Tube

Aluminum Nitride Plate

Aluminum Nitride Disc

Aluminum Nitride Part

Boron Carbide Ceramics

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Boron Carbide Plate

Boron Carbide Insert

Boron Carbide Bushing

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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

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Mullite Ceramic Part

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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 Tube

Pyrolytic Boron Nitride (PBN) tubes are high-purity, high-strength ceramic tubes made by chemical vapor deposition. They have excellent thermal and electrical insulation properties, low dielectric loss, and high thermal conductivity.

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Product Description

Features & Benefits

  • High purity and chemical inertness
  • High strength and hardness
  • High thermal conductivity and stability at high temperatures
  • Low dielectric constant and loss tangent
  • Excellent thermal and electrical insulation properties
  • Enables high-temperature processing of materials without contamination
  • Lowers the risk of sample damage due to thermal stress
  • Improves the efficiency and accuracy of high-temperature experiments
  • Provides a stable and reliable platform for high-temperature electronic devices

Markets & Applications

  • Semiconductor manufacturing, including MOCVD, MBE, and LPCVD
  • High-temperature processing and annealing of metals, ceramics, and glasses
  • Research and development of high-temperature materials and coatings
  • Aerospace and defense applications, such as thermal management and electronic packaging
  • High-temperature electronic devices, including sensors, transistors, and power electronics.
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