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By trunnano | 08 August 2022 | 0 Comments

What is boron nitride crucible?

What is boron nitride?
Boron nitride is a kind of heat-resistant and chemical-resistant refractory compound which is mainly composed of boron and nitrogen elements. Its chemical formula is BN. Other common descriptions of boron nitride include hexagonal boron nitride (H-BN) and hot-pressed boron nitride.
 
Boron nitride exists in various crystal forms, which are isoelectronic with carbon lattices with similar structures. The most stable form of boron nitride is the hexagonal form corresponding to graphite. It is also the softest form of BN polymorphs, so it can be used as a lubricant and cosmetic additive.
 
The cube (zinc blende, also known as sphalerite structure) similar to diamond is called c-BN. Cubic boron nitride (c-BN) is softer than diamond, but it has excellent thermal and chemical stability. Wurtzite BN form is rare, but similar to lonsdaleite. It is slightly softer than the cube form.
 

What is boron nitride crucible?
Boron nitride crucible is a kind of compound containing the same amount of nitrogen and boron nitride. Because hexagonal boron nitride (H-BN) crucibles are very soft, they are often used as lubricants and cosmetic additives. It is an excellent self-lubricating ceramic, which can withstand high temperature and maintain its lubrication ability in high vacuum environment. H-BN has similar mechanical properties to graphite, but has excellent resistance.
 
Boron nitride crucibles are used in high temperature applications because of their high thermal and chemical stability. They are also used in metal casting because they combine well with metal and form interlayers of metal boride or nitride. Materials with cubic boron nitride crystals are also commonly used to make cutting tools.
 
The advantages of using boron nitride crucible are its low wettability to molten metal, relatively high thermal shock resistance and low thermal expansion conductivity. Another advantage of the boron nitride crucible is its very high operating temperature and proper inert gas protection (the recorded temperature is higher than 3000 ℃).
 

Boron Nitride Crucible Uses
Perhaps the most important feature of boron nitride crucibles widely used in different applications is their ability to withstand high temperatures in different environments. Combined with other properties, especially its excellent corrosion resistance and resistance, boron nitride ceramic products are used in the following fields:
 
Insulators for high-temperature furnaces.
Electrical insulators in vacuum system.
When it is considered that there are problems in the electrical conductivity or chemical reactivity of graphite, hexagonal boron nitride is mainly used as a substitute lubricant for graphite.
They are used as semiconductor substrates, microwave transparent windows and sealing structural materials in electronic products.
It is used as a gasket for melting glass.
Crystal growth crucible.
Broken ring for horizontal continuous caster.
Feed-through of high voltage equipment.
Boron nitride parts for ion implantation equipment.
The electrostatic printing process and the laser printer are used as the charge leakage barrier layer of the photosensitive drum.
In the automotive industry, h-BN is usually mixed with binders such as boron oxide to seal oxygen sensors.
 
Hexagonal Boron Nitride Price
The price is influenced by many factors including the supply and demand in the market, industry trends, economic activity, market sentiment, and unexpected events.
If you are looking for the latest Hexagonal Boron Nitride price, you can send us your inquiry for a quote. ([email protected])
 
Hexagonal Boron Nitride Supplier
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted boron nitride manufacturer and boron nitride supplier with over 12-year-experience. We ship our goods all over the world.
 
If you want to buy high-quality boron nitride powder, please feel free to contact us and send an inquiry. ([email protected])

 

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