Alumina Ceramic Furnace Tube

Alumina Ceramic Furnace Tube

Alumina ceramic furnace tubes are used to contain and protect heating elements and samples processed in the furnace. In addition, they are used to control the atmosphere within the furnace by preventing air from entering or leaving the furnace.

The alumina tube serves as a barrier between the heating element and the sample, preventing contamination and guaranteeing uniform heating. Since alumina has a high thermal conductivity, the sample can be heated quickly and effectively, and the tubes have high mechanical strength, which ensures that they can withstand the stress of repeated heating and cooling cycles.

Benefits of Alumina Ceramic Furnace Tube

High Temperature Resistance

Alumina ceramic furnace tubes can withstand extreme temperatures as high as 1,700°C while still maintaining their mechanical and thermal characteristics.

Chemical Resistance

High-purity alumina guarantees that the tubes produced are chemically inert and resistant to corrosions of acids, alkalis, inorganic and organic salts, and other corrosive substances, and they won't react with heated products. Consequently, they are ideal for applications where sample purity is crucial.

High Mechanical Strength

The tube can withstand repeated heating and cooling cycles without cracking or deforming thanks to its good mechanical strength and low thermal expansion, which guarantees long-term dependability and durability.

High Thermal Conductivity

The high thermal conductivity of alumina guarantees that the sintered product is heated quickly and uniformly, lowering the risk of thermal shock and ensuring precise temperature control.

 

Common Specifications of Alumina Ceramic Furnace Tube

Alumina Ceramic Furnace Tube

The above specs can be customized up to 2500mm in length. The inventory is large, allowing for quick delivery within 7 days. If the required specification is not in the above list, you can also confirm with our company to see if it is in stock. Additionally, custom size is acceptable.

 

Product Packaging

To ensure the integrity and safety of the products during shipping, UNIPRETEC uses foam, bubble pads and other shock-absorbing materials inside, and cartons, wooden boxes, hangers and other shock-absorbing materials outside when packaging.

Shape characteristics

Structure in the form of tubes: Usually straight, alumina ceramic furnace tubes may be molded into U-shaped, W-shaped, or other complex shapes according to the application's requirements.
Variety of sizes: The furnace tube may be made longer or shorter to suit the particular requirements of industrial applications. This is carried out to satisfy the needs for installation space and the conditions in which different equipment is used.

consistent thickness of walls Uniform wall thickness of the furnace tube contributes to maintaining its overall strength and heat energy conducting efficiency.
Smooth walls, both inside and outside Easy cleaning and maintenance are made possible by the smooth inner and exterior walls, which also reduce resistance to fluid movement.
Design of the connection ends The furnace tube ends are sometimes built with conventional connection mechanisms to allow connection with other system components. These structures might be quick connectors, flanges, or threads.
Porous architectural alumina ceramic furnace tubes may be required for certain specialised applications to perform specific filtering or catalytic tasks.

Application fields

Electronics Industry: Furnace tubes find application in high-temperature diffusion furnaces, CVD (chemical vapor deposition) equipment, and other process equipment used in semiconductor production.

Manufacturing of glass: Furnace tubes are used to move molten glass during the melting and forming process to guarantee the stability of the forming process.

Automotive industry: Furnace tubes are used in catalytic converters in automotive exhaust treatment systems to resist high temperatures and corrosive gasses.

Medical equipment: Stable heating environments are provided by alumina ceramic furnace tubes in some high-temperature sterilization or disinfection equipment.

Aerospace: High-temperature resistant components, including certain components of rocket engines, are produced in the aerospace industry using furnace tubes.

Environmental engineering: Furnace tubes carry and cool high-temperature gases in high-temperature flue gas treatment systems, therefore lowering emissions of pollutants.

Furnace tubes are used in the smelting and casting operations of metal to move molten metal and increase production efficiency.

Food processing: Furnace tubes are used to provide a consistent heat source for food drying and baking procedures, therefore guaranteeing the quality of the food processing.

Furnace tubes are used to provide a finely regulated high-temperature environment for material production and testing in scientific research projects.

Alumina tubes are typically used in applications that require high temperature resistance, chemical resistance, and electrical insulation. They can be utilized in a variety of furnaces, including inert gas furnace, vacuum furnace and high temperature furnace. Some specific examples of furnaces using alumina tubes include sintering furnace, crystal growth furnace, and thermal analysis instruments.

Alumina ceramics offer high thermal conductivity, exceptional chemical and thermal stabilities, allowing them to maintain their mechanical characteristics at high temperatures.

Precautions for Using Alumina Ceramic Furnace Tube

In order to ensure the safe and effective usage of alumina temperature control furnace tube, attention should be paid to the following matters:

Avoid Drastic Temperature Changes

To prevent severe thermal shocks that might result in cracking and damage, the alumina ceramic furnace tube should be heated and cooled slowly and evenly.

Avoid Mechanical Stress

When handling alumina furnace tubes, take care to avoid mechanical stress, which will cause the tubes to break.

Clean Tubes Regularly

Alumina ceramic furnace tubes are cleaned on a regular basis to remove pollutants that could impair its performance and lifetime.

Alumina Ceramic Furnace Tube
Simple Contact Form