Boron Nitride (BN) MicroPowder, 5um, 99.8%
This product has a crystal structure similar to graphite layered structure, showing loose, smooth, easily absorbed, light and other traits. Theoretical density: 2.29g/cm3, mohs hardness: 2, and extremely stable chemical properties. In the use of nitrogen or argon, temperatures can reach up to 2800 °C. It not only has a low coefficient of thermal expansion, but also high thermal conductivity. It is a good conductor of heat, and is a typical electrical insulator.
| Boron Nitride MicroPowder | |
| Product No | NRE-11036 |
| CAS No. | 10043-11-5 |
| Formula | BN |
| Molecular Weight | 24.82 g/mol |
| APS | <40 μm(can be customized) |
| Purity | 99.8% |
| Density | 2.1g/cm3 |
| Color | White |
| Melting Point | 2,973 °C |
| Boiling Point | NA |
Boron Nitride micropowder
Boron nitride is a chemical compound with the chemical formula BN, consisting of equal numbers of boron and nitrogen atoms. It exists in various crystalline forms that are isoelectronic to a similarly structured carbon lattice. Boron nitride powder finds various applications owing to its exceptional thermal and chemical stability, electrical insulating properties, high thermal conductivity, and lubricating properties. Some of its key applications include:
Thermal Management: Boron nitride powder is commonly used in thermal management applications due to its high thermal conductivity. It is used as a filler in polymers, ceramics, and other materials to improve their thermal conductivity. It finds applications in heat sinks, substrates for electronic packaging, and insulating materials where effective heat dissipation is crucial.
Lubricants: Boron nitride powder is known for its excellent lubricating properties, especially at high temperatures. It is used as a dry lubricant, releasing agent, and mold release agent in industries where high-temperature operations are involved, such as in metalworking, forging, and extrusion processes.
Electrical Insulators: Boron nitride is an excellent electrical insulator and is used in various electrical and electronic applications. It is utilized as an insulating material in high-temperature environments, in electrical components, and as a coating for crucibles and other materials used in the production of semiconductors and other electronic devices.
Refractories: Due to its high thermal stability and chemical inertness, boron nitride is used in the production of refractory materials for high-temperature applications. It is employed in the manufacturing of crucibles, nozzles, and other components used in molten metal casting, glassmaking, and other high-temperature processes.
Cosmetics: Boron nitride is used in the cosmetic industry as an additive in various cosmetic products such as makeup, lotions, and creams. It imparts a silky and smooth texture to these products and helps in improving their spreadability and adhesion to the skin.
Aerospace Applications: Owing to its thermal stability and mechanical properties, boron nitride finds applications in the aerospace industry. It is used in the production of composite materials, as a coating for parts subjected to high temperatures, and in various components where light weight, high strength, and thermal resistance are required.
Biomedical Applications: Some forms of boron nitride have shown promise in biomedical applications, such as drug delivery systems, bioimaging, and tissue engineering, owing to their biocompatibility and low toxicity.
