fine ceramics

Alumina (Al2O3) Furnace Tube - High Temperature

Name: Alumina (Al2O3) Furnace Tube - High Temperature
Brand: Kintek Solution
SKU: KM-C06
Rating: 4.8 (12 reviews)

Item Number : KM-C06

Price varies based on specs and customizations

Material: Aluminum oxide
Specification: See the form

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Application

High temperature alumina furnace tube are very durable and ideal for the heating industry. Unlike electric heaters, heaters made of alumina ceramic can efficiently reach and maintain the desired temperature, ensuring safer operation. In addition, its excellent high temperature resistance makes it an important part of temperature measuring devices and temperature control equipment. High-purity alumina tubing has excellent thermal resistance, allowing it to withstand extremely high temperatures under reducing, inert, or high vacuum conditions. These tubing maintain excellent chemical resistance and exhibit significant abrasion resistance even at elevated temperatures. In fact, 99.6% of alumina tubes can withstand temperatures as high as 1800°C.

Ceramic furnace tubes: These tubes are used in ceramic furnaces as open single hole tubes. They can withstand high temperatures and provide excellent thermal stability, making them suitable for a variety of heat treatment processes.
Square ceramic tubes for corona electrodes: Square alumina tubes can be used as corona electrodes in applications such as corona treatment. They have excellent electrical insulation and corrosion resistance properties.

Detail & Parts

High temperature alumina furnace tube detail 1

Technical specifications

outer 4mm inner 2mm (1 meter)	outer 12mm inner 8nn (1 meter)	outer 25mm inner 19mm (1 meter)	outer 45mm inner 36mm (1 meter)	outer 70mm inner 60mm (1 meter)
outer 5mm inner 3mm (1 meter)	outside 16mm inside 11mm (1 meter)	outside 30mm inside 24mm (1 meter)	outside 50mm inside 40mm (1 meter)	outer 80mm inner 70mm (1 meter)
outer 6mm inner 4mm (1 meter)	outer 18mm inner 13mm (1 meter)	outer 32mm inner 26mm (1 meter)	outer 55mm inner 45mm (1 meter)	outside 90mm inside 80mm (1 meter)
outer 8mm inner 5mm (1 meter)	outside 20mm inside 15mm (1 meter)	outer 35mm inner 28mm (1 meter)	outside 60mm inside 50mm (1 meter)	90mm outside 100mm inside (1 meter)
outside 10mm inside 6mm (1 meter)	outer 22mm inner 16mm (1 meter)	outer 40mm inner 32mm (1 meter)	outer 65mm inner 55mm (1 meter)

The produce we show are available in different sizes and custom sizes are available on request.

Advantages

High mechanical strength and hardness: Alumina protective tube has high mechanical strength and hardness, which can resist breakage and wear even under harsh working conditions.
Very high wear resistance: They can withstand aggressive environments such as mixed acids, bromine and halogens.
Good Electrical Insulation: Makes it ideal for electrical components and applications where electrical insulation is critical.
Low Dielectric Constant and Dielectric Loss: They have minimal energy loss in high frequency applications and exhibit excellent electrical properties.
Excellent corrosion resistance: guarantees long service life and reliability in corrosive environments. They are chemically resistant and stable even at high temperatures
Good High Temperature Resistance: These tubes can withstand high temperatures without deformation or degradation, making them suitable for use in furnace fabrication, heat exchangers, laser tubes, and other high temperature industrial applications.

In short, the alumina protection tube has the characteristics of high temperature resistance, chemical corrosion resistance, wear resistance, and electrical insulation. Its superior performance makes it a reliable choice for harsh environments where durability and performance are critical.

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.

What are muffle furnace used for?

Muffle furnaces are mainly used for high-temperature applications in industrial manufacturing and laboratory environments. They provide a controlled and insulated environment for heating materials, allowing precise temperature control. Muffle furnaces are ideal for ashing samples, heat-treating applications, and materials research. They are commonly used for melting glass, creating enamel coatings, technical ceramics, soldering, and brazing. Muffle furnaces use technology and design to achieve greater control of temperature uniformity and isolate heated materials from combustion contaminants.

What are the main applications of fine ceramics?

Fine ceramics are used in various applications including tableware, cookware, wall tiles, and sanitaryware. They are also used in structural ceramics like bricks and roof tiles, refractories such as furnace and kiln insulation, metal crucibles, and in advanced technical ceramics for high-temperature applications.

What are the main types of rubber processing machines?

The main types of rubber processing machines include twin screw extruders, plate vulcanizing presses, open mixing mills, small lab rubber calendering machines, lab internal rubber mixers, lab plastic PVC calenders, automatic high temperature heat presses, and more. Each type is designed for specific tasks such as mixing, vulcanizing, calendering, and extruding rubber materials.

What are the common applications of alumina crucibles?

Alumina crucibles have diverse applications in industries such as metallurgy, ceramics, chemistry, and materials research. They are commonly used for high-temperature processes, including melting, calcination, and sintering of metals, alloys, and ceramics. Alumina crucibles are also utilized in the production of catalysts, glass, and advanced materials. In laboratories, they are used for sample preparation, heating, and chemical reactions. Additionally, alumina crucibles find applications in thermal analysis techniques such as differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA).

What are the advantages of using ceramic crucibles?

Ceramic crucibles offer several advantages over other types of crucibles. Firstly, they have excellent thermal resistance, allowing them to withstand high temperatures without cracking or warping. Ceramic crucibles are also chemically inert, meaning they do not react with most substances, making them suitable for a wide range of applications. They are also non-porous, ensuring that there is no contamination or absorption of materials during heating or melting processes. Ceramic crucibles are highly durable and long-lasting, making them a reliable choice for repeated use. Additionally, ceramic crucibles can be manufactured in various shapes and sizes to accommodate different experimental or industrial requirements.

What is a rotary tube furnace?

A rotary tube furnace is a circular furnace that rotates during heat-treatment. It is designed to heat loose materials for physiochemical processing and is used for continuous materials processing. These furnaces feature a metal drum lined with refractory, which is mounted at an angle and can burn pulverized, solid, gaseous or liquid fuel into its working section. Rotary tube furnaces have a wide range of applications, including the manufacturing of materials such as alumina, vermiculite, iron ore pellets and cement clinker, as well as for oxidation and calcination processes.

How are high-purity graphite crucibles made?

High-purity graphite crucibles are typically manufactured through a process called isostatic pressing. In this method, graphite powder is placed in a rubber mold, and then subjected to high pressure from all directions. This pressure compacts the graphite particles into a dense and uniform crucible shape. The crucible is then heated to a high temperature to remove any impurities and improve its purity.

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 are the types of muffle furnace?

Box furnace, tube furnace, crucible furnace, split furnace, vacuum furnace, and multi-zone furnace are some types of muffle furnaces. The choice of muffle furnace depends on the specific application and requirements of the user.

What are the main types of fine ceramics?

The main types of fine ceramics include alumina (Al2O3), zirconia, boron nitride (BN), silicon carbide (SiC), and silicon nitride (SiN). Each type has unique properties suitable for different applications.

What is the principle of operation for a twin screw extruder plastic granulation machine?

A twin screw extruder plastic granulation machine operates by mixing and processing raw materials like engineering plastics, modified plastics, waste plastics, and masterbatches through a twin screw mechanism. This machine ensures thorough mixing and processing for various plastic materials.

What are the advantages of using alumina crucibles?

Alumina crucibles offer several advantages in high-temperature applications. Firstly, they have excellent thermal shock resistance, allowing them to withstand rapid heating and cooling without cracking. Alumina crucibles also have high chemical resistance, making them suitable for use with acids, bases, and other corrosive materials. They have low electrical conductivity, which is beneficial for preventing electrical interference in certain applications. Alumina crucibles are also inert and do not react with most substances, ensuring the purity of the materials being processed. Additionally, they have a long lifespan and can withstand repeated use at high temperatures.

What are some common uses of ceramic crucibles?

Ceramic crucibles have a wide range of applications across various industries. They are commonly used in laboratories for heating, melting, or calcining substances during experiments or sample preparations. Ceramic crucibles are also widely used in metal casting and alloy production processes, as they can withstand the high temperatures required for melting metals. They are used in the production of ceramics, glass, and semiconductors, where precise temperature control and chemical resistance are crucial. Additionally, ceramic crucibles find applications in the pharmaceutical and chemical industries, as well as in research and development, where they are used for analyzing and testing materials under extreme temperature conditions.

How does a rotary tube furnace work?

A rotary tube furnace is a circular furnace that rotates during heat-treatment. It burns fuel and the heating gases created flow towards the sample. The furnace features a metal drum lined with refractory, mounted at an angle. Loose materials are heated for physiochemical processing and the heat is transferred from a heat source to a rotating tube which holds the sample. Rotary tube furnaces are designed for continuous materials processing and have multiple thermal control zones. They have a wide range of applications, including the manufacture of alumina, vermiculite, iron ore pellets, and cement clinker.

What are the common applications of high-purity graphite crucibles?

High-purity graphite crucibles have a wide range of applications in industries such as metallurgy, foundries, and laboratories. They are commonly used for melting and casting non-ferrous metals, including aluminum, copper, and precious metals. High-purity graphite crucibles are also utilized in the production of alloys and high-temperature ceramics. They are essential in processes such as chemical analysis, spectroscopy, and sample preparation in laboratories. Additionally, these crucibles find applications in the semiconductor industry for the melting and growing of silicon and other semiconductor materials.

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 is muffle furnace in chemistry?

A muffle furnace is a type of oven equipment used in chemistry that can reach high temperatures and provides a controlled and insulated environment for heating materials, allowing precise temperature control. It separates the object to be heated from all byproducts of combustion from the heat source. Muffle furnaces are used in solid-state reactions, such as reducing metals or creating oxides, and for limiting oxygen exposure in materials. They are also used in high-temperature chemical vapor deposition processes and are ideal for ashing samples, heat-treating applications, and materials research.

What is the principle behind fine ceramics?

Fine ceramics are made through a process involving high-temperature sintering of raw materials to form dense, strong, and durable materials. The specific properties of each type of ceramic are determined by the chemical composition and microstructure achieved during the sintering process.

What is the purpose of a plate vulcanizing press in rubber processing?

A plate vulcanizing press is used for the vulcanization of rubber products. Vulcanization is a critical process in rubber manufacturing that improves the material's strength, elasticity, and resistance to heat and chemicals.

How should alumina crucibles be handled and maintained?

Proper handling and maintenance of alumina crucibles are crucial to ensure their longevity and optimal performance. When handling, it is important to avoid dropping or impacting the crucibles to prevent cracking or damage. They should be stored in a clean and dry environment to avoid contamination. Regular cleaning of the crucibles is necessary to remove any residual materials or impurities. This can be done using a soft brush, mild detergent, or solvents suitable for alumina. It is recommended to preheat the crucibles before use, especially when subjected to rapid temperature changes, to prevent thermal shock. Crucibles should be inspected for cracks, erosion, or other damage, and if any issues are found, they should be replaced to maintain the quality of the materials being processed. Following the manufacturer's guidelines for maintenance and handling is essential.

How can I choose the right ceramic crucible for my application?

When choosing a ceramic crucible for a specific application, several factors should be considered. Firstly, the temperature range required for the application should be determined, as different types of ceramics have varying maximum temperature limits. It is important to select a crucible that can withstand the expected temperature without deformation or damage. Secondly, the size and capacity of the crucible should be considered to ensure it can accommodate the required quantity of material. The shape and design of the crucible should also be compatible with the experimental setup or industrial process. Additionally, the chemical compatibility of the crucible with the substances being used should be assessed to ensure there will be no adverse reactions or contamination. Consulting with suppliers or experts in the field can help in selecting the most suitable ceramic crucible for specific applications.

What are the advantages of a rotary tube furnace?

The advantages of a rotary tube furnace include improved gas diffusion, reduced gas consumption, increased heat treatment efficiency, and improved product homogeneity. These furnaces provide an efficient way to transfer heat over a short time and continuously run batches of materials. Rotary tube furnaces can be custom designed for specific requirements, including temperature control, workspace size, residence time, tube rotation rate, and atmosphere flow rate. When choosing a tube for a rotary tube furnace, key points to consider include rotational speed, amount of material, tube diameter, suspended length, and tube thickness.

What is the function of rotary tube furnace?

The function of a rotary tube furnace is to heat loose materials for physiochemical processing. The furnace features a rotating tube that holds the sample and applies heat in multiple thermal control zones. Heating gases created by burning fuel flow towards the sample through the furnace. Rotary tube furnaces are used for manufacturing materials such as alumina, vermiculite, iron ore pellets, and cement clinker, as well as for oxidation and calcination processes. These furnaces can be made of ceramic, quartz, or high-temperature alloy and can be built with a wide temperature range for various applications.

What factors should be considered when selecting high-purity graphite crucibles?

When selecting high-purity graphite crucibles, several factors should be considered. Firstly, the size and capacity of the crucible should align with the intended application and the amount of material to be melted or processed. The crucible's thermal conductivity, thermal shock resistance, and chemical compatibility should be evaluated to ensure they meet the specific process requirements. It is important to select crucibles made from high-quality graphite material with high purity levels to minimize contamination and ensure excellent performance. The crucible's design and construction should also be considered, such as the presence of handles or pouring spouts for easy handling. Additionally, it is advisable to consult with manufacturers or experts in the field to ensure the selection of the most suitable high-purity graphite crucibles for specific applications.

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.

What is the use of muffle furnace for ash?

Muffle furnaces are commonly used for ashing samples, which involves heating materials to high temperatures to determine their percentage of ash content. This process is helpful in testing and treating materials in various industries such as cement making, foundry, and nuclear sectors. The standard muffle furnace is also used for manufacturing glass, ceramics, and other materials. Overall, muffle furnaces play a vital role in material testing and treatment at high temperatures, making them a crucial apparatus in many industries.

What are the advantages of using fine ceramics?

Fine ceramics offer several advantages including high temperature resistance, excellent electrical insulation, high hardness, wear resistance, chemical resistance, and low thermal expansion. These properties make them ideal for use in extreme environments and for specialized applications.

How does an open mixing mill for rubber work?

An open mixing mill for rubber works by mixing and dispersing rubber, plastic raw materials, pigments, masterbatches, and other high molecular polymers. The machine consists of two rollers that rotate in opposite directions, ensuring uniform mixing and dispersion of the materials.

How should ceramic crucibles be handled and maintained?

Proper handling and maintenance of ceramic crucibles are essential to ensure their longevity and performance. When handling ceramic crucibles, it is important to avoid dropping them or subjecting them to sudden temperature changes, as this can cause thermal shock and result in cracking or breakage. It is advisable to use appropriate tools, such as tongs or gloves, for handling hot crucibles. After use, ceramic crucibles should be allowed to cool down gradually before cleaning. Cleaning can be done using warm water and mild detergent, followed by rinsing and drying thoroughly. It is important to avoid using harsh chemicals or abrasive materials that can damage the ceramic surface. Regular inspection should be carried out to check for any signs of wear, cracks, or discoloration, and damaged crucibles should be replaced to ensure safety and accuracy in experiments or industrial processes.

What are the advantages of rotary tube furnace?

Rotary tube furnaces offer efficient heat transfer over a short period, continuously processing batches of material while minimizing material handling. The furnace's continuous movement exposes the entire sample surface to the atmosphere, improving gas diffusion and reducing gas consumption to increase heat treatment efficiency.

What is the temperature of muffle furnace?

The temperature range of a muffle furnace is between 800°C to 1800°C, with a maximum temperature of 1473 K (1200°C; 2192°F). It is crucial to choose a furnace that will reach the desired temperature for your applications. Muffle furnaces are commonly used in metallurgy, glassmaking, ceramics, and other industries that require materials to be melted or heated to high temperatures. It usually takes approximately an hour for a muffle furnace to reach maximum temperature.

What are the advantages of using a lab internal rubber mixer?

A lab internal rubber mixer offers advantages such as efficient mixing, kneading, and dispersing of various chemical raw materials like plastics, rubber, synthetic rubber, and low-viscosity materials. It is particularly useful for laboratory settings where precise control and small batch processing are required.

What applications does a small lab rubber calendering machine have?

A small lab rubber calendering machine is used for producing thin, continuous sheets of plastic or rubber materials. It is commonly employed in laboratories and small-scale production facilities for creating films, coatings, and laminates with precise thickness and surface finish.

How does an automatic high temperature heat press machine function?

An automatic high temperature heat press machine is designed for pressing, sintering, and processing materials in a high temperature environment. It can operate at temperatures ranging from hundreds to thousands of degrees Celsius, making it suitable for various high temperature process requirements.

What makes a lab blown film extrusion machine useful?

A lab blown film extrusion machine is useful for detecting the feasibility of film blowing of polymer materials, assessing the colloid condition in the materials, and evaluating the dispersion of colored dispersions and extrudates. It is essential for research and development in polymer processing.

View more faqs for this product

4.8

out of

5

These alumina tubes are a must-have for any laboratory. They are incredibly sturdy and durable, and they can withstand extremely high temperatures.

Aaliyah Levesque

4.9

out of

5

I was very impressed with the quality of these alumina tubes. They are made from high-purity materials and they are very well-constructed.

Elliot O'Reilly

4.7

out of

5

These tubes are a great value for the price. They are very affordable and they last a long time.

Kamil O'Brien

4.8

out of

5

I have been using these alumina tubes for several months now and I have been very happy with them. They are very reliable and they have never failed me.

Alia Mckenzie

4.9

out of

5

I would highly recommend these alumina tubes to anyone who is looking for a high-quality product that will last for years.

Noah Gordon

4.7

out of

5

These tubes are very easy to install and use. I was able to get them up and running in just a few minutes.

Bruno Mcintosh

4.8

out of

5

I am very impressed with the customer service from KINTEK SOLUTION. They were very helpful and they answered all of my questions.

Enya Duncan

4.9

out of

5

I would definitely buy these alumina tubes again. They are a great product and they are worth the price.

Mariam Brady

4.7

out of

5

These tubes are very versatile and they can be used for a variety of applications. I have used them for both high-temperature and low-temperature applications.

Eamonn Mcintosh

4.8

out of

5

I am very happy with these alumina tubes. They are a great addition to my laboratory.

Mckenna Mcintosh

4.9

out of

5

I would highly recommend these alumina tubes to anyone who is looking for a high-quality product that will last for years.

Abigail Ramsey

4.7

out of

5

These tubes are very easy to install and use. I was able to get them up and running in just a few minutes.

Aidan Kelly

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Alumina (Al2O3) Furnace Tube - High Temperature

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Application

Detail & Parts

Technical specifications

Advantages

FAQ

What are the applications of Boron Nitride ceramic parts?

What are muffle furnace used for?

What are the main applications of fine ceramics?

What are the main types of rubber processing machines?

What are the common applications of alumina crucibles?

What are the advantages of using ceramic crucibles?

What is a rotary tube furnace?

How are high-purity graphite crucibles made?

What are the advantages of using Boron Nitride ceramic parts?

What are the types of muffle furnace?

What are the main types of fine ceramics?

What is the principle of operation for a twin screw extruder plastic granulation machine?

What are the advantages of using alumina crucibles?

What are some common uses of ceramic crucibles?

How does a rotary tube furnace work?

What are the common applications of high-purity graphite crucibles?

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

What is muffle furnace in chemistry?

What is the principle behind fine ceramics?

What is the purpose of a plate vulcanizing press in rubber processing?

How should alumina crucibles be handled and maintained?

How can I choose the right ceramic crucible for my application?

What are the advantages of a rotary tube furnace?

What is the function of rotary tube furnace?

What factors should be considered when selecting high-purity graphite crucibles?

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

What is the use of muffle furnace for ash?

What are the advantages of using fine ceramics?

How does an open mixing mill for rubber work?

How should ceramic crucibles be handled and maintained?

What are the advantages of rotary tube furnace?

What is the temperature of muffle furnace?

What are the advantages of using a lab internal rubber mixer?

What applications does a small lab rubber calendering machine have?

How does an automatic high temperature heat press machine function?

What makes a lab blown film extrusion machine useful?

PDF - Alumina (Al2O3) Furnace Tube - High Temperature

Catalog of Fine Ceramics

Catalog of Alumina Crucible

Catalog of Ceramic Crucible

Catalog of Rotary Tube Furnace

Catalog of High Purity Graphite Crucible

Catalog of Boron Nitride Ceramics

Catalog of Muffle Furnace

Catalog of Fine Ceramics

Catalog of Rubber Processing Machine

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