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Boron Nitride (BN) Plate / Sheet

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Boron Nitride Plate / Sheet is made of powdered hexagonal boron nitride through high-temperature vacuum hot-pressing sintering. Heeger Materials provides customers with high-quality Boron Nitride Plates / Sheets.

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Boron Nitride(BN), hexagonal boron nitride (HBN), and hot-pressed boron nitride are good self-lubricate ceramics that will withstand high temperatures and maintain their lubricating capability during a high vacuum environment. Hexagonal boron nitride (HBN) behaves similarly with graphite mechanically but offers excellent electrical resistance. The Boron Nitride Plates and Boron Nitride Sheets from Heeger Materials are made from hot-pressed boron nitride blank.

Boron Nitride Plate Advantages

  • Low wettability to molten metal
  • Low dielectric constant
  • Relatively high thermal conductivity with low thermal expansion
  • Relatively high thermal shock resistance
  • Relatively high heat resistance
  • Extremely high working temperature with proper inert gas protection (>3000C has been recorded)

Boron Nitride Plate Applications

Boron Nitride ceramic from Heeger Materials can withstand heat during a high vacuum environment, plus it's chemically inert —  the excellent corrosion resistance and electric resistance. Thus, Boron Nitride ceramic product is a perfect choice in wide selection of industries, such as:

  • Electric insulators in vacuum system
  • Insulators for high-temperature furnace
  • Spacers for glass melting
  • Boron Nitride parts for ion injection equipment

Types of hexagonal boron nitride materials

  • Pyrolytic boron nitride PBN: 99.99% boron nitride
  • High purity boron nitride HPBN: >98.5% boron nitride + boron oxide
  • Calcium Borate Boron Nitride CABN: >97.5% Boron Nitride + Calcium Borate
  • Aluminum Nitride Boron Nitride ALBN: Boron Nitride + Aluminum Nitride + Boron Aluminum Oxide
  • Zirconia Boron Nitride ZRBN: Boron Nitride + Zirconia + Boron Oxide
  • Zirconium Aluminum Boron Nitride ZABN: Boron Nitride + Zirconia + Aluminum Nitride + Aluminum Boron Oxide
  • Silicon carbide boron nitride SCBN: boron nitride + silicon carbide + boron silicon oxide

Available Materials of Boron Nitride Plate/Sheet

Cat No.

Description

Availability

BN99

Hot pressed at high temperature (1900C).

Excellent corrosion resistance and thermal conductivity. Limited wear resistance

Self-bonded and high purity (>99%)

Machinable Blanks

Finished Parts

BNBO

General-purpose material

Bonded by boric oxide

Finished Parts

BNCB

Calcium borate bonded boron nitride

Enhanced moisture resistance

Finished Parts

BN60

BN 60%, SiO2 40%

Finished Parts

BN40

BN 40%, SiO2 60%

Finished Parts

ZSBN

BN-45%, Zr2O3 45%

Finished Parts

Targeted market

  • High-temperature furnace manufacturing
  • Ceramic manufacturing semiconductor
  • PVD coating
  • Microwave etc.

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