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11/24/2008

Boron Nitride Coatings

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Boron nitride coatings are entirely inorganic, composed of boron nitride powder and a high temperature bond phase.

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Boron nitride coatings are entirely inorganic, composed of boron nitride powder and a high temperature bond phase. Supplied in a liquid form suitable for brushing, the coatings can be diluted with water to spraying and dipping consistencies and applied to a variety of porous and non-porous materials including graphite, metals, ceramics and organics, according to the manufacturer, Precision Ceramics. Combat boron nitride coatings can be used up to 1372°C (2500°F) in a reducing/inert atmosphere and 850°C (1562°F) in an oxidizing atmosphere, and are said to retain many of the properties of boron nitride such as non-wet by most molten metals, salts, fluxes and slags; resistant to molten metal corrosion and light metal drosses; and excellent parting plane /very lubricious.

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