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An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
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Cubic Boron Nitride is a synthetic material with hardness level that is only inferior to that of diamond. It does, however, consist of superior thermal and chemical properties to that of diamond. It is mainly used as an abrasive material to machine hard materials such as tool steel.
