Boron nitride is an excellent self-lubricating ceramic that can withstand high temperatures and maintain its lubrication capabilities in high vacuum environments. H-BN has similar mechanical properties to graphite but has excellent electrical resistance.
The most important characteristic of boron nitride crucibles that are widely used in different applications is their ability to withstand high temperatures in different environments. This is combined with other properties, notably its excellent corrosion resistance and electrical resistance.
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Insulators for high temperature furnaces;
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Electrical insulators in vacuum systems;
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Hexagonal boron nitride is primarily used as an alternative lubricant to graphite when its electrical conductivity or chemical reactivity is considered to be an issue
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They are used in electronic products as semiconductor substrates, microwave transparent windows and sealing structural materials
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It is used as a spacer for glass melting;
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Crystal growth crucible;
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Breaking rings for horizontal continuous casting machines;
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Feedthrough of high-voltage equipment;
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Boron nitride parts for ion implantation equipment;
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Xerographic printing processes and laser printers, where it serves as a charge leakage barrier for photosensitive drums;
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In the automotive industry, h-BN is often mixed with a binder such as boron oxide to seal oxygen sensors.
