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High-temperature boron nitride powder
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High-temperature boron nitride powder
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High-temperature boron nitride powder
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Product Details Description
High-temperature boron nitride powder refers to boron nitride powder produced under high-temperature conditions, usually with high crystallinity and thermal stability. This powder exhibits excellent physical and chemical properties under high-temperature environments and is suitable for various high-temperature applications.
Color and Appearance: Usually a white powder.
Crystal Structure: Hexagonal boron nitride has a layered structure similar to graphite, with each layer consisting of boron and nitrogen atoms alternately arranged in a hexagonal grid, and layers bonded together by weaker van der Waals forces.
Product Applications
1. High-temperature lubricant: Used as a high-temperature lubricant, suitable for high-temperature, high-pressure, and corrosive environments.
2. Electronics industry: Used to manufacture high-frequency insulating materials heat sinks, semiconductor packaging materials, etc.
3. Metallurgy industry: Used as linings, crucibles, thermocouple protection tubes, etc., for high-temperature furnaces.
4. Aerospace: Used for high-temperature lubrication in aircraft engines and spacecraft.
5. Chemical industry: Used to manufacture corrosion-resistant reactors, pipes, valves, etc.
6. Ceramic materials: Used as a raw material for boron nitride ceramic materials.
7. Nuclear reactors: Used in nuclear reactors for neutron absorption, radiation shielding, high-temperature lubrication, heat treatment, structural support, and nuclear waste treatment.
8. Cosmetics industry: Used in cosmetics, providing a smooth and oil-control effect.
Product Parameters
| Grade | Purity (B+N) | Oxygen content (O2) | Carbon content (C) | Boron oxide (B2O3) | Metal impurities | Particle size | Specific surface area (BET) | Bulk density |
| BN-AA | 99% | ~0.5% | ~0.05% | <0.5% | <0.2% | 1-3μm | 6-8m²/g | 0.2-0.4 |
| BN-AB | 99% | ~0.4% | ~0.05% | <0.4% | <0.2% | 4-8μm | 3-8m²/g | 0.2-0.4 |
| BN-AT | 99% | ~0.6% | ~0.05% | <0.5% | <0.18% | 10-13μm | 2-7m²/g | 0.2-0.4 |
| BN-AS | 99% | ~0.3% | ~0.03% | <0.9% | <0.2% | 15-20μm | 2-5m²/g | 0.2-0.4 |
| BN-AY | 99% | ~0.4% | ~0.03% | <1% | <0.2% | 28-30μm | 2-5m²/g | 0.2-0.4 |
| BN-SA | 99% | ~0.22% | ~0.01% | <1.2% | <0.1% | 30-100μm | 3-4m²/g | 0.47 |
| BN-SC | 99% | ~0.47% | ~0.01% | <1.8% | <0.1% | 100-150μm | 2-3m²/g | 0.49 |
| BN-AZ | 98.5% | ~0.1% | ~0.03% | <0.5% | <0.2% | 7-9μm | 3-7m²/g | 0.4-0.6 |
Customizable according to customer needs
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