Boron Nitride Platelet Powder
- Custom and standard options available.
- Fast lead times guaranteed.
- High performance at a competitive price.
Boron Nitride Powder provides thermal conductivity, electrical insulation, high-temperature stability, and lubricity. Ideal as a solid lubricant, release agent, and thermally conductive filler for composites, coatings, and electronics. Chemically resistant and stable in inert atmospheres at extreme temperatures.NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality. Boron Nitride (BN) products, focuses on producing high-precision aluminum nitride silicon structural compenents through advanced technologies for diverse application fields.
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Boron Nitride Powder Date Sheet
Purity | 99% or 99.5% |
Particle Size: | 0.5 μm, 1-2 μm, 3-5 μm, 5-10 μm, 10-15 μm, 15-20 μm, 20-30 μm, or customized according to specific requirements. |
Color: | White |
Melting Point: | 2937 ℃ |
Density | 1.9-2.2 g/cm3 |
Dielectric Constant: | 4.3 |
Dielectric Strength: | 80 kV/mm |
Thermal Conductivity: | 300 W/mK |
Boron Nitride Powder Descriptions
Boron Nitride Powder is a high-performance, advanced ceramic material that combines exceptional thermal conductivity with strong electrical insulation properties. Featuring a soft, lubricious hexagonal platelet structure, it provides superior release, lubrication, and non-wetting characteristics even at elevated temperatures. With excellent chemical inertness, oxidation resistance, and the ability to withstand extreme heat in reducing or inert atmospheres, this powder is an ideal additive for thermal management, composite fillers, high-temperature lubricants, and cosmetic formulations, where consistent purity and reliable performance are required.
Boron Nitride Powder Specifications
Grade | Purity | Oxygen (O) | Carbon (C) | B2O3 | Metallic Impurities | Particle Size | Specific Surface (BET) | Bulk Density |
BN-AA | >99% | ~0.4% | ~0.05% | <0.3% | <0.2% | -3μm | 6-8 m2/g | 0.2-0.4g/cm3 |
BN-AS | >99% | ~0.3% | ~0.03% | <0.3% | <0.2% | 15-20μm | 2-5 m2/g | 0.2-0.4g/cm3 |
BN-AT | >99% | ~0.6% | ~0.05% | <0.5% | <0.2% | 5-8μm | 8-10 m2/g | 0.2-0.4g/cm3 |
BN-B | >99% | ~1% | ~0.05% | <1% | <0.2% | 1-2μm | ~12m2/g | 0.2-0.4g/cm3 |
BN-T | >98% | ~1.5% | ~0.1% | <2% | <0.2% | 1-2μm | ~15m2/g | 0.2-0.4g/cm3 |
Boron Nitride Powder Advantages
- High Thermal Conductivity: Efficiently dissipates heat, making it ideal for thermal management applications such as thermal pastes, gap fillers, and heat sink materials.
- Excellent Electrical Insulation: Acts as a dielectric material with high breakdown voltage, allowing safe use in electronic and electrical components.
- High-Temperature Stability: Remains stable in inert or reducing atmospheres up to ~2000°C (3632°F) and exhibits good oxidation resistance up to ~850–900°C (1562–1652°F) in air.
- Natural Lubricity: Possesses a soft, hexagonal crystal structure similar to graphite, providing low friction and non-stick properties for use as a solid lubricant or mold release agent.
- Chemical Inertness: Resists attack from most acids, alkalis, molten metals, and slags, ensuring compatibility with a wide range of materials.
- Non-Wetting Behavior: Repels molten metals, glasses, and salts, preventing adhesion and corrosion of processing equipment.
- Low Dielectric Constant & Loss: Suitable for high-frequency and microwave applications where minimal signal interference is critical.
- Easy Processability: Can be blended with polymers, resins, ceramics, or oils to enhance thermal and mechanical properties of composites and coatings.
- Safe & Non-Toxic: Inert and generally recognized as safe for use in cosmetics, personal care products (e.g., as a filler or mattifying agent), and various industrial applications.
Boron Nitride Powder Applications
- Thermal Management – Used as a thermally conductive filler in thermal interface materials (TIMs), gap pads, pastes, and heat spreaders for electronics, power devices, and LED lighting.
- High-Temperature Lubrication & Release – Serves as a solid lubricant and mold release agent in metal forming (extrusion, forging), glass processing, and die-casting, where it reduces friction and prevents sticking at elevated temperatures.
- Aerospace & Defense – Applied in high-temperature coatings for rocket nozzles, re-entry vehicles, and turbine engines, as well as in radomes and structural composites requiring thermal stability and electrical insulation.
- Metallurgy & Foundry – Used for crucible linings, pouring trough coatings, and ceramic filters that come into contact with molten metals (aluminum, copper, steel), providing non-wetting and corrosion resistance.
- Electronics & Electrical Insulation – Acts as a dielectric layer in semiconductor devices, vacuum tubes, and high-voltage components, as well as an encapsulant and substrate material for microwave and RF applications.
- Cosmetics & Personal Care – Added to pressed powders, foundations, and skincare products as a mattifying agent, texture enhancer, and slip agent, offering a smooth, non-stick feel on the skin.
Boron Nitride Powder Packaging
Boron Nitride Powder is typically packaged in sealed, moisture-proof plastic bags, then placed in sturdy drum containers or fiber cartons to prevent contamination and ensure safe transport.
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- SAFETY DATA SHEET (SDS) -Boron Nitride Powder
FAQ
What is Boron Nitride Powder used for?
Boron Nitride Powder is primarily used for thermal management, high-temperature lubrication, electrical insulation, mold release agents, aerospace coatings, and as a mattifying/slip agent in cosmetics.
Is Boron Nitride Powder electrically conductive?
No, it is not conductive. Boron Nitride Powder is an excellent electrical insulator with high dielectric strength and low dielectric constant, making it suitable for electronic encapsulation and RF devices.
What is the maximum temperature that Boron Nitride Powder can withstand?
It can withstand up to 2000°C (3632°F) in inert atmospheres, with oxidation resistance up to approximately 850–900°C (1562–1652°F) in air.
What forms does Boron Nitride Powder come in?
It is available in various purities and particle sizes, including submicron, micron, agglomerated, and spherical powders for different application needs.
How should Boron Nitride Powder be stored?
Store in a dry, sealed container away from moisture and contamination. While chemically stable, moisture absorption may affect dispersion performance.
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