Overview of Refractory Hexagonal Boron Nitride Ceramic Products

Boron Nitride (BN) ceramic is a unique material renowned for its exceptional properties, making it highly valuable in various industrial applications. It exists in multiple forms, primarily hexagonal boron nitride (h-BN), cubic boron nitride (c-BN), and wurtzite boron nitride (w-BN). Hexagonal BN, the most common form, is often compared to graphite due to its lubricious and thermally conductive yet electrically insulating nature. Boron Nitride ceramics are synthesized under high temperatures and pressures, offering a rare combination of properties not found in many other materials.

Features of Refractory Hexagonal Boron Nitride Ceramic Products

Thermal Conductivity: Excellent thermal conductivity, especially in the hexagonal form, allowing efficient heat dissipation.

Electrical Insulation: Outstanding electrical insulation properties make it ideal for electrical applications requiring thermal management.

Chemical Stability: Highly resistant to chemical attacks, including strong acids and bases, ensuring durability in harsh environments.

Thermal Shock Resistance: Superior resistance to thermal shock, enabling it to withstand rapid temperature changes without cracking.

Mechanical Strength: Good mechanical strength at both room and elevated temperatures, although this can vary with the form of BN.

Lubricity: Self-lubricating property due to its layered structure, which reduces friction and wear in moving parts.

Non-Toxic: Safe to use in various settings, including medical and food processing industries, due to its non-toxic nature.

High-Temperature Performance: Maintains stability at extremely high temperatures, exceeding 1000°C in inert atmospheres, making it suitable for refractory applications.

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Specification of Refractory Hexagonal Boron Nitride Ceramic Products

Our hexagonal boron nitride ceramic items deal with severe warm very well. They stand up to temperatures over 3000 ° C in inert atmospheres. They withstand temperatures near 1000 ° C even in air. This makes them perfect for very warm areas.

The product looks like graphite. It really feels slippery. It won’t adhere to most molten metals or slags. This non-wetting feature is important. It stops sticking and enables very easy launch. You see this in crucibles and liners for melting metals.

Hexagonal boron nitride is really steady chemically. It doesn’t react with most acids and bases. It also withstands solid alkalis well. This chemical resistance secures components in rough atmospheres. It maintains them working longer.

These ceramics are strong electric insulators. They do not conduct power even at high temperatures. This electrical residential property is useful. It assists in fixtures for electrical heating systems. It avoids short circuits.

Thermal conductivity is an additional key point. Hexagonal boron nitride moves heat laterally rapidly. This aids spread warm uniformly. It quits locations in furnace components. Components like thermocouple sheaths benefit from this.

The material makers easily. You can suffice precisely. You can shape it into complicated forms. This machinability assists develop custom-made components. It minimizes production time and price.

Typical applications include crucibles for light weight aluminum evaporation. They benefit semiconductor handling. Insulators for high-temperature heaters use it. Thermocouple security tubes require it. It acts as release agents and lubricants in warm presses. It creates components for plasma arc welding equipment. It is utilized in laser devices elements also.

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Applications of Refractory Hexagonal Boron Nitride Ceramic Products

Hexagonal boron nitride ceramics deal with extreme warm well. They resist temperature levels over 2000 ° C. This property makes them essential in high-temperature setups. Heater cellular linings often use these porcelains. They secure the heater structure from extreme heat. Crucibles for melting steels benefit too. They include liquified product without contaminating it. The porcelains show outstanding thermal shock resistance. Parts will not split conveniently when temperatures transform quick. This is essential for aerospace components. Jet engine parts encounter quick cooling and heating. These ceramics do reliably there.

Electric insulation is an additional key strength. They insulate also at really heats. This matches them for semiconductor manufacturing devices. Wafer watercrafts and susceptors hold silicon wafers. They need purity and insulation. Hexagonal boron nitride supplies both. The product stays chemically inert. It does not react with many liquified steels or salts. This inertness is best for taking care of corrosive materials. Crucibles for reactive metals like aluminum utilize it. The porcelains also use reduced rubbing. They serve as lubricating substances in warm atmospheres. Dies for metal developing use this residential property. Metal flows smoothly without sticking.

Machinability sets these ceramics apart. They can be formed exactly utilizing typical devices. Facility components are much easier to manufacture. This adaptability assists engineers. Developers develop customized components for certain demands. Thermal management gadgets utilize hexagonal boron nitride. Warmth sinks and spreaders need high thermal conductivity. These porcelains relocate warmth away efficiently. Digital packaging needs this efficiency. The product is non-toxic and secure. Industries prefer it for safety and dependability. Steel casting, glass production, and chemical processing depend on it. Its unique homes resolve tough engineering troubles.

Company Introduction

Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. Please feel free to contact us.

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5 FAQs of Refractory Hexagonal Boron Nitride Ceramic Products

What is hexagonal boron nitride ceramic?
It’s a special ceramic made from boron and nitrogen atoms arranged in flat, hexagon shapes. Think of it like graphite’s structure. This gives it unique properties useful in very hot places.

What makes it valuable for high temperatures?
It handles extreme heat well. It stays stable chemically and doesn’t melt easily. Crucially, it withstands sudden temperature changes well. It’s also slippery and doesn’t stick to most molten metals or glass. It resists chemical attack too.

How hot can it get?
In normal air, it works reliably up to about 3000°F (1650°C). It won’t melt until much hotter, roughly 5400°F (2980°C). Using it without oxygen lets it go even hotter.

Where do people use it?
Its heat resistance and non-stick nature make it perfect for metal casting. It lines crucibles for melting metals like aluminum. It works in furnace parts needing thermal shock resistance. The semiconductor industry uses it for parts handling hot silicon wafers. It’s also found in high-temperature electrical insulators and coatings.

Is it tough?
No, it’s actually quite soft and brittle mechanically. Handle it carefully to avoid chips or cracks. Its strength lies in handling heat, chemicals, and thermal stress, not physical impact.

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