(Summary description)Product features and advantages

The hexagonal boron nitride products produced by our company are also sintered at 1800-2000°C, with high crystallinity and more uniform particle size. The high crystallinity of hexagonal boron nitride has heat conduction, insulation, lubrication, high temperature resistance and molten metal resistance. Corrosion and other properties are better than ordinary products. It can be used in various high-end fields, including cosmetics and thermal conductive materials, with performance reaching or close to the advanced level of similar foreign products, and it can replace imports.

Boron nitride can be used to manufacture crucibles for smelting semiconductors, high-temperature containers for metallurgy, semiconductor heat-dissipating insulation parts, high-temperature bearings, thermowells, glass forming molds, etc. The boron nitride usually produced has a graphite-type structure, commonly known as white graphite. The other is diamond type, similar to the principle of converting graphite to diamond, graphite type boron nitride can be converted into diamond type boron nitride at high temperature (1800°C) and high pressure (800Mpa). The BN bond length (156pm) of this type of boron nitride is similar to the CC bond length (154pm) of diamond, and the density is similar to that of diamond. Its hardness is comparable to that of diamond, and its heat resistance is better than that of diamond. It is a new type of high temperature resistance. The super-hard material is used to make drill bits, abrasive tools and cutting tools.

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• Time of issue:2021-06-19 15:48
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