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Wurtzite Boron Nitride (w-BN)

Wurtzite Boron Nitride (w-BN) is a thermally and chemically resistant hard ceramic refractory compound with a hardness greater than diamond. It has a polycrystalline structure that provides superior cutting properties and sharpens itself during cutting. It also is isoelectronic with its diamond carbon allotropes. Wurtzite Boron Nitride can be produced in two different particle shapes: plate and regular crystal.
Typical Chemical Properties

Standard Grade: Boron nitride= <98.00%, w-BN= <95.00% and Hexagonal boron nitride= >3.00%

Premium Grade: Boron nitride= <99.00%, w-BN= <98.00% and Hexagonal boron nitride= <1.00%

Typical Applications

Wurtzite Boron Nitride (w-BN) is used for sintering coarse grit polycrystalline structure powders, which are later used for manufacturing traditional cutting and grinding tools. Cutting inserts made from Wurtzite boron nitride material have high shock-resistant properties superior to regular polycrystalline CBN. It is an excellent material for steel polishing applications such as molds, dies, etc.

Packaging Options

Drums or to customer specification


Wurtzite Boron Nitride TSCA (SARA Title III) Status: Listed
For further information, please call the EPA Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902.
Wurtzite Boron Nitride CAS Number: 10043-11-5

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  • Plate Crystal Premium Grade
  • Plate Crystal Standard Grade
  • Regular Crystal Premium Grade
  • Regular Crystal Standard Grade


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