Hexagonal boron nitride (h-BN), an inorganic compound composed of boron and nitrogen atoms, has a layered crystal structure that is highly similar to graphite. This unique structural feature gives hexagonal boron nitride a number of excellent physical and chemical properties, enabling it to show broad application potential in many fields.
From the appearance, hexagonal boron nitride usually appears as a white or slightly yellowish powder with soft texture and lubricating properties. Its chemical properties are extremely stable, at room temperature almost does not react with most acids, alkalis and organic solvents, even in harsh chemical environments can also maintain the stability of their own properties. In addition, hexagonal boron nitride also has excellent thermal stability, even in the extreme high temperature of up to 3000 ℃, can still maintain the stability of the structure and properties, not easy to decompose or melt.
In terms of physical properties, hexagonal boron nitride also performs well. It possesses excellent electrical insulation and thermal conductivity, and as a highly efficient electrical insulating material, it can be widely used as an insulating or isolating layer in electronic devices. At the same time, its high thermal conductivity also makes it an ideal material for heat dissipation or thermal interface.
In addition to the above properties, hexagonal boron nitride also has good lubricity and wear reduction. Its layered structure makes the interlayer friction coefficient low, which can form a lubricating film during the friction process, effectively reducing wear and friction heat. Therefore, hexagonal boron nitride is often used as a lubricant or wear-reducing material in the fields of machinery manufacturing and aerospace.
In the field of application, hexagonal boron nitride is widely used. It can be used in the manufacture of high-temperature crucibles, refractory materials, electronic packaging materials, heat sinks and so on. In addition, it is also an important raw material for the synthesis of cubic boron nitride (a superhard material), which can be used to manufacture high-speed cutting tools and geological exploration drills. With the continuous development of nanotechnology, hexagonal boron nitride nanosheets also show new application prospects in electronic devices, composite materials and other fields due to its excellent thermal conductivity, insulation and mechanical properties.
BN(china) Technology is committed to the research and development and production of h-BN products, which are synthesized by advanced continuous calcination equipment, with an annual output of up to 1,000 tons. The company's products have stable performance, strong batch supply capability and significant cost advantage. Currently, the company offers four specifications: PBN700 (purity ≥99.5%), PBN500 (purity >99%), PBN300 (purity >98%), PBN100 (purity >97%). The crystalline particle size of these products ranges from 1-5 μm, and the powder particle size D50 can be provided between 4 μm and 20 μm, which have been successfully applied in many industries, such as boron nitride ceramics, high temperature coatings, mold releasing agents, lubricants, thermally conductive fillers, and high temperature insulating materials.
