What is Boron Nitride (BN)?


Apr 19, 2023

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What is it? Boron Nitride (BN)? Boron nitride (BN) Refractory compounds of boron, nitrogen that are both thermally and chemically stable. It is available in various forms, including hexagonal (h-BN), cubic (c-BN), or wurtzite (w-BN).

General Properties of Boron Nitride (BN)
1. Chemically resistant to water and inorganic acid attack
2. It is slightly soluble in hot acids, but insoluble when dissolved in cold water.
3. The maximum operating temperature for oxidizing and inactive reducing atmospheres is 900F.
4. Many properties of boron Nitride are better than those of carbon material.
5. For hexagonal Boron Nitride: low friction coefficient, high temperatures stability, excellent thermal shock resistance and high strength. Also, very low expansion coefficient.
Boron Nitride Properties
Other names Boron nitride; BN
CAS No. 10043-11-5
Formula compound BN
Molecular Weight 24.82
Appearance Colorless crystals
Melting Point 2973 degC
Boiling Point N/A
Density Insoluble
Exact Mass 25.0124
Hexagonal Nitride Boron Nitride Powder BN Powder CAS 10043-11-5

Applications Boron Nitride (BN)
1. Metal forming release agents and metal wire-drawing lubricant.
2. High-temperature resistance and electrolytic materials.
3. High temperature solid oils, extrusion-anti-wear additives. Additives for the production ceramic composite materials.
4. Additives in polymer like plastic resin and heat sealing desiccant from Transistor
5. Boron nitride can be pressed into many shapes to be used as insulation, heat dissipation and high temperature pressure products.
6. Heat shielding materials for aerospace.
7. Cubic boron Nitride can be made by heating it and adding catalyst. It is almost as hard as diamond.
8. Structural materials needed for atomic reactors.
9. Aircraft, rocket engine nozzle.
10. Insulators for plasma arc and high voltage, high frequency electricity.
11. Material packaging that shields against neutron radiation
12. Material made from boron Nitride is extremely hard and can be used in high-speed cutters, geological exploration, drilling, etc.
13. Separation rings used for continuous casting of steel, amorphous-iron flow notch and continuous casting aluminium release agent (various optic glass release agent).
14. Protective package for freshness from aluminized.
15. Laser anti-counterfeiting aluminiu plating, trademark bronze materials, cigarette labels and beer labels, packaging boxes, aluminum plating for cigarette boxes, etc.
16. Cosmetics like lipstick filler are safe and non-toxic. They also have a shine.

Market Price Boron Nitride (BN)
The price of raw materials, consumer demands, and research and development expenses will all have an impact on the overall outcome.
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