Boron Nitride Gasket and Seal
  • Boron Nitride Gasket and SealBoron Nitride Gasket and Seal
  • Boron Nitride Gasket and SealBoron Nitride Gasket and Seal

Boron Nitride Gasket and Seal

Boron Nitride Gasket and seal are formed of boron nitride (BN) — a compound with equal numbers of boron and nitrogen atoms. Nextgen Advanced Materials provides our customers with high-quality hexagonal boron nitride ceramic gaskets, washers, and seals at a fast delivery time. Customization is available too.

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Product Description

As the professional manufacture, we would like to provide you Nextgen Boron Nitride Gasket and Seal. The company has always been oriented by customer demand and respect for talents, constantly improve their strength, improve service level and quality. Boron Nitride Gasket and Seal is made of boron nitride (BN) — a chemical compound with equal numbers of boron and nitrogen atoms. 


The hexagonal form (HBN) corresponding to 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 has a high hardness which is inferior only to diamond. The rare wurtzite BN (WBN) modification is similar to lonsdaleite, and it may even be harder than CBN.


Boron Nitride Gasket/Seal Available Materials

Material Description Availability
BN99 Hot pressed at high temperature (1900℃). Machinable Blanks
Excellent corrosion resistance and thermal conductivity. Limited wear resistance Finished Parts
Self-bonded and high purity(>99%)
BNBO General purpose material Finished Parts
Bonded by boric oxide
BNCB Calcium borate bonded boron nitride Finished Parts
Enhanced moisture resistance
BN60 BN 60%, SiO2 40% Finished Parts
BN40 BN 40%, SiO2 60% Finished Parts
ZSBN BN-45%, Zr2O3 45% Finished Parts


Boron Nitride Gasket/Seal Properties

Compound Formula BN
Molecular Weight 24.82
Appearance White
Melting Point 2973°C
Density 2.1 g/cm3(h-BN); 3.45 g/cm3(c-BN)
Solubility in H2O Insoluble
Refractive Index 1.8 (h-BN); 2.1 (c-BN)
Electrical Resistivity 13 to 15 10x Ω-m



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