New Boron Nitride (BN) Gasket-heegermaterials View larger

Boron Nitride (BN) Gasket

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Heeger Materials provides our customers with high-quality hexagonal boron nitride ceramic gaskets, washers and seals (BN ceramic). BN gaskets and BN seals are available from high-temperature-(1900C)-formed 99% pure composite boron nitride materials.

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Boron Nitride Gasket is formed of boron nitride (BN) — a compound with equal numbers of boron and nitrogen atoms. The hexagonal form (HBN) like graphite is the softest and most stable form among BN polymorphs and is therefore used as a lubricant and an additive to cosmetic products. The cubic (CBN) variety analogous to diamond features a high hardness which is inferior only to diamond. The rare wurtzite BN (WBN) modification is analogous to lonsdaleite, and it's going to even be harder than CBN.

Boron Nitride Gasket Applications

– Boron Nitride components for PVD, MOCVD, MBE system.
– Insulators for high-temperature furnace
– Feedthrough for high voltage equipment
– 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

Boron Nitride Gasket Available Materials

BN99Hot pressed at high temperature (1900℃).
Excellent corrosion resistance and thermal conductivity. Limited wear resistance
Self-bonded and high purity(>99%)
Machinable Blanks
Finished Parts
BNBOGeneral-purpose material
Bonded by boric oxide
Finished Parts
BNCBCalcium borate bonded boron nitride
Enhanced moisture resistance
Finished Parts
BN60BN 60%, SiO2 40%Finished Parts
BN40BN 40%, SiO2 60%Finished Parts
ZSBNBN-45%, Zr2O3 45%Finished Parts

Targeted market

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

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