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PBN Ring

PBN Ring

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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

Ceramic Ignition Electrode series
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 Ring

PBN rings are ceramic components made of pyrolytic boron nitride (PBN), which has excellent thermal and chemical stability at high temperatures. PBN rings are commonly used in semiconductor and electronic industries as insulation parts and components for high-temperature furnaces.

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Product Description

Features & Benefits

  • High thermal stability up to 1800°C
  • Low thermal conductivity
  • Low dielectric loss
  • High chemical stability to most acids and alkalis
  • Excellent insulation properties
  • High purity and cleanliness
  • Easy to machine and process

Markets & Applications

  • Insulation and components for high-temperature furnaces
  • Semiconductor processing and wafer handling
  • Electronic components and sensors
  • Aerospace and defense industries
  • Medical and pharmaceutical industries for high-temperature applications.
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

CONTACT METHODS

RELATED PRODUCTS

Product

Alumina Ceramics Zirconia Ceramics Silicon Carbide Ceramics Aluminum Nitride Ceramics Boron Carbide Ceramics Boron Nitride Ceramics (BN) Pyrolytic Boron Nitride (PBN) Silicon Nitride (Si3N4) Ceramics Beryllium Oxide Ceramics Mullite Ceramics GaN Ceramics Graphite Quartz Tugnsten Carbide

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