Boron Nitride Micron Powder (BN, 40-50 µm, Hexagonal)
Technical Specifications:
- Material: Boron Nitride (BN)
- Purity: Typically 99.9% (high purity)
- Particle Size: 40-50 µm (microns)
- Shape: Hexagonal
- Density: Approximately 2.29 g/cm³
- Melting Point: 2,973°C (5,363°F)
- Boiling Point: Sublimes at around 3,200°C (5,792°F)
- Chemical Composition:
- Boron (B): ~43.6%
- Nitrogen (N): ~56.4%
Applications:
- Lubricants and Solid Lubrication:
- Boron Nitride is widely used in lubricants due to its excellent dry lubricating properties, especially in high-temperature and high-stress environments. BN powder is used as a solid lubricant in metalworking, plastic extrusion, and ceramic processing, providing friction reduction and wear resistance for components like bearings, gears, pumps, and valves.
- Thermal Management:
- Boron Nitride is an excellent material for thermal management due to its high thermal conductivity and electrical insulation properties. It is used in the production of thermal interface materials, heatsinks, and cooling systems for electronics, LEDs, power devices, and automotive applications. The micron powder helps to dissipate heat efficiently in electronic components and semiconductors that generate heat during operation.
- Electronics and Semiconductors:
- Boron Nitride is used in electronics for dielectric materials, capacitors, insulators, and semiconductor packaging. Its electrical insulating properties, combined with its thermal conductivity, make it ideal for electronic devices where heat dissipation and electrical insulation are critical. The hexagonal BN form also allows for easy integration in high-power and high-frequency applications.
- High-temperature Applications:
- Boron Nitride is used in high-temperature applications due to its thermal stability and resistance to oxidation. BN powder is used in the production of refractory coatings and molds for industries such as metal casting, ceramics, and glass. The powder forms protective layers on tools and molds to ensure they withstand extreme temperatures without degrading.
- Coatings and Wear-resistant Materials:
- Boron Nitride is often used to produce ceramic coatings that provide wear resistance in harsh industrial environments. BN coatings are applied to cutting tools, dies, and machinery parts to reduce friction, prevent adhesion, and improve longevity in applications involving abrasion and erosion.
- The micron powder is also used in metallic and ceramic composites to improve the wear-resistance of materials exposed to high stress or frictional forces.
- Advanced Ceramics:
- Hexagonal Boron Nitride is a component in the manufacturing of advanced ceramics used in electronics, aerospace, and energy industries. It is used in insulation and sealing materials where high temperature resistance, chemical stability, and electrical insulation are required.
- The BN powder is often incorporated into ceramic composites that are exposed to extreme temperatures and corrosive environments.
- Medical Applications:
- Boron Nitride is used in the medical field for its biocompatibility and non-toxic properties. It is incorporated into implants, prosthetics, and dental materials where strength, thermal conductivity, and corrosion resistance are essential.
- BN powder is also used in drug delivery systems, surgical tools, and medical devices that require high strength and non-reactivity with biological tissues.
- Space and Aerospace Applications:
- Boron Nitride is employed in space and aerospace applications due to its ability to withstand extreme environments, including high vacuum and radiation. It is used in the construction of heat shields, thermal insulation, and spacecraft components that require thermal resistance and electrical insulation.
- The micron powder form is used to create lightweight yet durable materials for aerospace structural components that must maintain integrity under high-stress conditions.
- Polishing and Surface Finishing:
- Boron Nitride is used as a polishing agent due to its fine particle size and hardness. The BN powder is employed for polishing metals, ceramics, and glass to achieve smooth, mirror-like surfaces. It is also used in surface finishing applications where precise control over surface smoothness and texture is required.
- The micron powder is effective for high-precision polishing of optical lenses, semiconductor wafers, and precision mechanical parts.
- Research and Development:
- Boron Nitride micron powder is widely used in research and development to explore nanomaterials, advanced coatings, and thermal management systems. Researchers utilize BN powder to develop new applications in nanotechnology, electronic devices, and energy systems, especially in high-performance environments requiring low friction, high heat resistance, and electrical insulation.
- The powder is also used in advanced materials science to test and optimize new composite materials and coating technologies.
Boron Nitride Micron Powder (BN, 99.95%, <10 µm) is a high-performance material with outstanding thermal conductivity, electrical insulation, hardness, and chemical stability. Its fine particle size makes it ideal for applications that require precise material handling and advanced manufacturing processes, such as abrasive materials, thermal management, polishing, electronic devices, and high-temperature coatings. The powder’s unique properties make it an essential material for use in aerospace, automotive, medical, energy, and research industries, where durability and high performance are paramount.
