High quality refractory alumina fiber tubes

Overview of Alumina Fiber Tubes

Alumina fiber tube is a high-performance ceramic fiber product. It is based on alumina fiber with high heat resistance, high strength and low thermal conductivity, which can maintain stable performance in high-temperature environments and is widely used in aerospace, high-temperature furnace lining and other fields. The price varies according to specifications, quality and use, generally ranging from tens of dollars to hundreds of dollars per meter.

Features of Alumina Fiber Tubes

Aluminum oxide fiber tubing is a high-performance material with many remarkable features. Aluminum oxide fiber tube has excellent high-temperature resistance, can maintain their own structure and performance stability at very high temperatures, and are not easy to deform or damage, which means they can be used in many high-temperature environments and are a reliable function. At the same time, an alumina fiber tube also has good mechanical strength, can withstand a certain amount of pressure and external forces and will not easily rupture, which provides the basis for its application in a variety of occasions that need to withstand a certain mechanical stress.

In addition, the thermal conductivity of the alumina fiber tube is low; the thermal insulation effect is very good and can effectively prevent the transfer of heat, thus outstanding performance in thermal insulation. This feature makes it valuable in equipment or systems where heat transfer needs to be controlled. Alumina fiber tube also has strong chemical stability, not easy to chemical reaction with other substances, so it has good corrosion resistance and can be used in some chemical environments is more complex occasions for long-term stable use.

It is worth mentioning that the alumina fiber tube also has a certain degree of flexibility, which makes it more convenient in the processing and installation process, according to the actual needs of the appropriate bending and adjustment to adapt to a variety of complex working environments and installation requirements. Taken together, these characteristics of alumina fiber tubes make it widely used in aerospace, high-temperature furnace lining, heat insulation, heat preservation and many other fields, providing important material support for the development of modern industry.

Specifications table of Alumina Fiber Tubes

Parameter	Specification
Material	High-purity alumina fibers (Al₂O₃)
Fiber Type	Continuous alumina fibers
Density	2.5 – 3.5 g/cm³
Maximum Operating Temperature	1600 – 1800°C (continuous use) <br> 2000°C (short-term peak)
Thermal Conductivity	0.1 – 0.3 W/m·K (at room temperature)
Tensile Strength	300 – 500 MPa (depending on fiber diameter and processing)
Elongation at Break	1% – 3%
Chemical Resistance	Excellent resistance to most acids and alkalis <br> Limited resistance to strong alkalis at high temperatures
Flexural Modulus	100 – 150 GPa
Thermal Expansion Coefficient	5 – 8 x 10⁻⁶ /°C (at room temperature)
Surface Finish	Smooth, with optional coatings for enhanced durability or chemical resistance
Diameter Range	0.5 mm – 5 mm (standard) <br> Custom diameters available
Length	Continuous lengths up to 100 meters <br> Cut to specific lengths as required
Applications	Aerospace components, furnace linings, high-temperature insulation, <br> electronic device protection, chemical processing equipment
Certifications	ASTM, ISO, or other relevant industry standards (depending on manufacturer)
Packaging	Coiled or straight, depending on length and application requirements
Customization	Available for specific dimensions, coatings, and performance requirements

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Applications of Alumina Fiber Tubes

Aluminum oxide fiber tubing plays an integral role in many fields due to its unique properties. In the aerospace industry, it is widely used in the manufacture of critical engine components, heat shielding, and protective structures in high-temperature areas. Because alumina fiber tubes can withstand extreme temperatures and are extremely lightweight, they not only effectively protect precision components inside engines from high-temperature damage but also significantly reduce the overall weight of the vehicle, thereby significantly improving fuel efficiency, which is extremely important for aerospace vehicle performance improvement and cost control.

About high-temperature furnace linings, alumina fiber tubes are also widely used as heat-insulating materials. It can effectively block the high temperature inside the furnace to the outside of the furnace, significantly reducing the heat loss of the furnace, thereby reducing energy consumption and improving energy efficiency. At the same time, alumina fiber tubes’ excellent high-temperature resistance and thermal shock resistance can effectively extend the service life of the furnace lining and reduce maintenance costs, which is essential for the stable operation of high-temperature furnace equipment in industrial production. At the same time, alumina fiber tubes’ excellent high-temperature resistance and thermal shock resistance can effectively extend the service life of the furnace lining and reduce maintenance costs, which is essential for the stable operation of high-temperature furnace equipment in industrial production.

In the electronics industry, alumina fiber tubes are used to manufacture high-temperature insulating parts, such as protective sleeves for heating elements. It can ensure the stable operation of electronic equipment in high-temperature environments, preventing high temperatures from damaging electronic components while also providing good insulation properties to ensure the safety and reliability of the equipment. This makes alumina fiber tubing an ideal material choice for high-temperature applications in electronic equipment, such as semiconductor manufacturing and electron beam welding.

In the chemical industry, alumina fiber tubing is also widely used. It is used for thermal insulation of high-temperature pipelines, which can effectively prevent heat loss and also resist the corrosion of chemical media to ensure the safety and efficiency of the chemical production process. In some processes that require high-temperature transmission and handling of chemical substances, alumina fiber pipe can protect the pipeline from the double impact of high temperature and corrosion, extend the service life of the pipeline, reduce the frequency of maintenance and replacement, thereby reducing production costs and improving production efficiency.

In addition, alumina fiber tube also plays an important role in some other special areas, such as in high-temperature experimental equipment, special vehicles, high-temperature parts protection, etc., it can provide reliable performance support. In short, alumina fiber tubes, with their excellent high-temperature resistance, heat insulation, mechanical strength and chemical stability, have become an indispensable high-performance material for modern industry, for the technological progress of various fields and productivity enhancement provides a strong guarantee.

Company Profile

RBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years of experience in providing super high-quality chemicals and Nanomaterials. The company exports to many countries, such as the USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Azerbaijan, Belgium, Cyprus, Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are interested, please send an email to sales1@rboschco.com

Payment Term

T/T, Western Union, Paypal, Credit Card etc.

Shipment Term

By air, by sea, by express, as customers request.

5 FAQs of Alumina Fiber Tubes

Q1:What are the specific applications of alumina fiber tubes in the electronics industry?

Aluminum oxide fiber tubes can be used for heating element protection sleeves, for electronic equipment in a high-temperature environment to provide a stable operating environment, to prevent high-temperature damage to the electronic components, and to provide good insulation properties.

Q2:What is the installation method of alumina fiber tube?

Alumina fiber tubes need to be installed according to the specific application scenarios and equipment requirements for cutting and fixing, generally through the special connectors or adhesives for installation, to ensure that they can work stably in high-temperature environments.

Q3:Alumina fiber tube in the use of what matters need attention?

Although alumina fiber tube has good chemical stability, in a strong alkaline environment for a long time, use may be affected. There needs to be attention to avoid prolonged contact with strong alkaline substances; at the same time to prevent mechanical collision and external impact so as not to damage the fiber tube.

Q4:What are the advantages of alumina fiber tube compared with ordinary ceramic fiber tube?

Alumina fiber tube has higher temperature resistance, better mechanical strength and chemical stability, suitable for higher temperatures and more corrosive environments, while the ordinary ceramic fiber tube is relatively low in performance, and the scope of application is relatively narrow.

Q5:How to choose the right alumina fiber tube?

According to the specific requirements, such as temperature range, pressure conditions, working environment, etc., you need to select the appropriate specifications and performance of the alumina fiber tube while considering the quality of the product and cost factors.