Products Lab Consumables & Materials Thin Film Deposition Parts Boron Nitride (BN) Ceramic Tube
Boron Nitride (BN) Ceramic Tube

Thin Film Deposition Parts

Boron Nitride (BN) Ceramic Tube

Item Number : KM-D5

Price varies based on specs and customizations


Material
Boron nitride
Specification
Customizable
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Application   

The boron nitride (BN) tube is made of hot-pressed boron nitride ceramics, which has excellent electrical insulation, and the breakdown voltage is 3-4 times higher than that of alumina ceramics. Suitable for insulation applications, these tubes are resistant to high temperatures and thermal shock. They can operate at temperatures up to 2100°C under atmospheric protection and up to 1900°C under vacuum without rupture. However, their lower hardness makes them unsuitable for abrasion-resistant or high-impact applications.

  • High temperature furnace fixture
  • Gas Atomizing Nozzle
  • Soft magnetic nozzle
  • Plasma arc insulator
  • Crucible or vessel for melting metal or glass
  • Continuous casting broken ring
  • Electrical insulators in vacuum equipment
  • PVD/CVD vacuum coating equipment
  • Semiconductor device
  • Thermocouple protection tube

It is also suitable for industries such as semiconductor melting, metallurgy, semiconductor cooling, high temperature bearings, glass forming molds, etc.

Detail & Parts

Boron nitride ceramic tube details 1Boron nitride ceramic tube details 2Boron nitride ceramic tube details 3Boron nitride ceramic tube details 4Boron nitride ceramic tube details 5

Boron nitride ceramic tube details 8

The products we display are available in different sizes and custom sizes are available upon request.

Advantages

  • Low wettability to molten metal
  • Low dielectric constant
  • High dielectric strength
  • High thermal conductivity
  • Low coefficient of thermal expansion
  • High thermal shock resistance
  • Extremely high operating temperature (>3000°C) with inert gas protection
  • Suitability for Chemical Vapor Deposition (CVD)
  • Good machinability

FAQ

What are the applications of Boron Nitride ceramic parts?

Boron Nitride ceramic parts find applications in various industries. They are commonly used in high-temperature environments, such as in thermal management systems, crucibles, heaters, and insulators. Due to their excellent thermal conductivity, Boron Nitride ceramic parts are used as heat sinks, substrates for electronic devices, and components in high-power electronics. They are also utilized in the aerospace industry for applications requiring lightweight and high-temperature resistance, such as rocket nozzles and thermal shields. Boron Nitride ceramic parts are also used in the semiconductor industry as wafer carriers, crucibles for crystal growth, and insulators. Additionally, they find applications in the chemical industry, where their chemical inertness and resistance to corrosion make them suitable for handling corrosive materials.

Performance comparison of boron nitride ceramics and alumina ceramics.

Compared with alumina ceramics, boron nitride ceramics have the following advantages: 1. The maximum working temperature of boron nitride ceramics under atmospheric protection can reach 2100 degrees, and that of alumina ceramics does not exceed 1700 degrees. 2. The thermal shock resistance of boron nitride ceramics is much better than that of alumina ceramics. Boron nitride ceramics will not break when they experience rapid temperature rise and fall, and they will not break when they are taken out of a furnace at 1000 degrees Celsius and quenched. 100 times in a row. Alumina ceramics are prone to cracking when the operating temperature is rapidly increased or decreased. 3. The electrical insulation strength of boron nitride ceramics is 3-4 times that of alumina ceramics. 4. Boron nitride ceramics do not react or combine with glass or metal, and are used as high-temperature sintering or melting crucibles, setter plates and other containers. Compared with alumina ceramics, the disadvantages of boron nitride ceramics are: 1. The strength, hardness and wear resistance of boron nitride ceramics are lower than those of alumina ceramics, so they are not suitable for use under vibration and friction conditions. 2. The use temperature of boron nitride ceramics in the air is only 1000 degrees Celsius, and it will be oxidized if it exceeds 1000 degrees.

What are the advantages of using Boron Nitride ceramic parts?

Using Boron Nitride ceramic parts offers several advantages. Firstly, their high thermal conductivity allows for efficient heat transfer, making them ideal for applications requiring heat dissipation or thermal management. Secondly, Boron Nitride ceramics exhibit excellent electrical insulation properties, making them suitable for electrical and electronic applications. They have low dielectric loss and high dielectric strength, allowing for reliable electrical insulation even at high temperatures. Additionally, Boron Nitride ceramic parts have a low coefficient of friction, providing excellent lubrication and wear resistance in applications where low friction is desired. They are also chemically inert, making them resistant to most acids, alkalis, and molten metals. Boron Nitride ceramic parts can withstand high temperatures without significant deformation or degradation, making them suitable for use in extreme environments.

What considerations should be made when selecting Boron Nitride ceramic parts?

Several considerations should be made when selecting Boron Nitride ceramic parts. Firstly, the specific application requirements should be evaluated, such as temperature range, electrical insulation properties, thermal conductivity, mechanical strength, and chemical resistance. This will help determine the appropriate grade or formulation of Boron Nitride ceramic to select. Secondly, the design and geometry of the ceramic part should be considered to ensure that it can be manufactured using the available processes and equipment. The dimensional tolerances and surface finish requirements should also be taken into account. Additionally, the cost and availability of the Boron Nitride ceramic parts should be considered, as different manufacturing processes and grades of Boron Nitride can vary in cost. It is advisable to consult with manufacturers or experts in the field to ensure that the selected Boron Nitride ceramic parts meet the specific application requirements.

What manufacturing processes are used to produce Boron Nitride ceramic parts?

Several manufacturing processes can be used to produce Boron Nitride ceramic parts. The most common methods include hot pressing, hot isostatic pressing (HIP), and slip casting. Hot pressing involves compacting Boron Nitride powders under high pressure and temperature to form a dense ceramic. HIP involves subjecting the Boron Nitride powder compact to high temperature and pressure in an inert gas environment to achieve even higher density and eliminate any remaining porosity. Slip casting involves forming a slurry of Boron Nitride powder and a binder, pouring it into a mold, and then drying and firing the green body to produce the final ceramic part. Other processes, such as extrusion, injection molding, or machining, may be used for shaping and finishing the Boron Nitride ceramic parts, depending on the desired geometry and specifications.
View more faqs for this product

4.9

out of

5

Rapid delivery and professional packaging. The BN tubes are precisely crafted and meet our lab's stringent requirements.

Karson Edwards

4.8

out of

5

Excellent value for money! The quality of the ceramic tubes is top-notch, ensuring accurate and reliable results in our experiments.

Miya Fernandez

4.7

out of

5

KINTEK's BN tubes are durable and withstand high temperatures, making them ideal for our demanding research applications.

Rafael Silva

4.6

out of

5

The technological advancement of these ceramic tubes is impressive. They enable us to conduct groundbreaking research with enhanced efficiency.

Isabella Johnson

4.8

out of

5

KINTEK's customer service is outstanding. They promptly addressed our queries and provided valuable technical support.

Liam Brown

4.9

out of

5

The BN tubes arrived in perfect condition, thanks to the secure packaging. KINTEK's commitment to quality is evident in every aspect.

Harper Garcia

4.7

out of

5

The delivery was incredibly fast, and the BN tubes were meticulously packaged. KINTEK's attention to detail is commendable.

Amelia White

4.6

out of

5

These ceramic tubes are a game-changer in our lab. Their exceptional quality and durability have significantly improved our research outcomes.

Oliver Moore

4.8

out of

5

KINTEK's BN tubes are a valuable investment. Their superior quality and adaptability make them worth every penny.

Ava Rodriguez

4.9

out of

5

The technological innovation behind these ceramic tubes is remarkable. They have revolutionized our research capabilities and opened up new avenues for exploration.

Lucas Martin

PDF of KM-D5

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Catalog of Thin Film Deposition Parts

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Catalog of Engineering Ceramics

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Catalog of Fine Ceramics

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Catalog of Boron Nitride Ceramics

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