Customized industrial high purity alumina ceramic tube

Overview of Alumina ceramic tube

Alumina ceramic tubes are a type of ceramic tubes made primarily of high-purity alumina. They have high hardness, high wear resistance, high corrosion resistance, and excellent high-temperature stability, enabling them to operate stably for a long time in harsh industrial environments. These ceramic tubes are often used to transport corrosive liquids and high-temperature gases and are widely used in chemical, electronic, and mechanical industries. Its superior performance makes it an indispensable material in many industrial scenarios.

Features of Alumina ceramic tube

Alumina ceramic tubes are ceramic pipe materials made from high-purity alumina powder through high-temperature sintering and other processes. They possess numerous excellent properties. Alumina ceramic tubes have extremely high hardness, which enables them to perform well in various wear conditions and effectively resist wear caused by particle impact, friction, etc., thus extending their service life. They are highly suitable for use in pipeline transportation systems with severe wear, such as for transporting abrasive materials like mineral pulp and coal powder.

Alumina ceramic tubes also have excellent chemical stability and can remain stable in various chemical environments. Acids, alkalis, and other chemical substances do not easily erode them. Therefore, they can be applied in the chemical industry to transport some corrosive liquids or gases. For instance, pipelines for transporting acidic media such as hydrochloric acid and sulfuric acid can effectively resist chemical corrosion and reduce the frequency of pipeline maintenance and replacement.

The thermal stability of alumina ceramic tubes is also excellent. They can maintain stable performance within a wide temperature range and are not prone to deformation or damage caused by thermal expansion and contraction due to temperature changes. This makes them reliable for use in high-temperature or temperature-fluctuating conditions, such as in high-temperature flue gas pipes and hot air pipes, where they can withstand rapid temperature changes.

In addition, alumina ceramic tubes also have excellent insulating properties. They can not only serve as electrical insulation to prevent current leakage but also prevent the accumulation of static electricity. This is particularly useful in pipeline systems that require electrical insulation, such as in coal-conveying pipelines in the power industry, where it can avoid safety hazards caused by static electricity. Moreover, the surface of alumina ceramic tubes is smooth, which can reduce the flow resistance of fluids within the pipes, improve the efficiency of transportation, and reduce energy consumption.

Specifications table of Alumina ceramic tube

Specification	Details
Material	High-purity alumina (Al₂O₃)
Purity	≥99.5% (typical)
Density	3.95-4.00 g/cm³
Hardness	Mohs scale: 9
Flexural Strength	300-400 MPa (depending on grade)
Compressive Strength	2500-3000 MPa
Tensile Strength	100-150 MPa
Thermal Conductivity	20-30 W/m·K (at room temperature)
Thermal Expansion Coefficient	7-8 x 10⁻⁶ /°C (20-1000°C)
Dielectric Strength	≥15 kV/mm
Dielectric Constant	8-10 (at 1 MHz)
Loss Tangent	≤0.001 (at 1 MHz)
Chemical Resistance	Excellent resistance to acids, bases, and most organic solvents
Operating Temperature Range	-50°C to 1700°C (depending on application)
Surface Roughness	<0.5 µm Ra (typical for polished surfaces)
Dimensional Tolerance	±0.1 mm (typical for standard tubes)
Length	Customizable (typically up to several meters)
Inner Diameter	1 mm to 200 mm (customizable)
Wall Thickness	0.5 mm to 10 mm (customizable)
Finish	Polished, unpolished, or coated (depending on application)
Applications	Electrical insulation, high-temperature applications, wear-resistant components, chemical processing, semiconductor industry, etc.
Certifications	ISO 9001, ASTM, JIS (depending on manufacturer)

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Applications of Alumina ceramic tube

Alumina ceramic tubes, due to their outstanding performance, are widely used in many fields. In industrial production, they are often used to transport abrasive and corrosive materials. For instance, in the mining industry, alumina ceramic tubes are used to convey mineral pulp and powder, effectively resisting wear and corrosion from the materials and reducing the maintenance costs and replacement frequency of the pipes. In the chemical industry, they can be used to transport various acid and alkali solutions, chemical reagents, etc. Their excellent chemical stability enables them to remain stable in the presence of multiple chemical substances, thereby extending the service life of the pipes.

In the electronics industry, the excellent insulating properties of alumina ceramic tubes are fully utilized. They can be used to manufacture insulating components of electronic components, such as in semiconductor manufacturing. Alumina ceramic tubes can also be used in components like insulators for high-voltage transmission lines to prevent current leakage and ensure the safety of power transmission.

In addition, alumina ceramic tubes are also applied in equipment and pipelines under high-temperature conditions, such as in the furnace tubes of high-temperature furnaces and hot air ducts. Their excellent thermal stability enables them to withstand high-temperature environments while maintaining structural integrity and performance stability. In the aerospace field, alumina ceramic tubes can be used to manufacture some key components, such as high-temperature parts of engines and sensor casings, meeting the high-performance requirements of materials in the aerospace industry.

In the medical field, the biocompatibility and wear resistance of alumina ceramic tubes make them suitable for manufacturing medical devices, such as components of artificial joints and dental implants, providing reliable material support for the medical industry. All in all, with their various excellent properties, alumina ceramic tubes play an important role in multiple fields, including industry, electronics, power, aerospace, and medical care, offering strong material support for the development of modern science, technology and industry.

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 ceramic tube

Q1:How to choose the right alumina ceramic tube?

When choosing an alumina ceramic tube, its specifications and performance parameters should be determined according to the specific application requirements. Different application scenarios may have different requirements for materials, such as temperature range, chemical environment, mechanical strength, etc. In addition, choosing a reputable supplier is also an important factor in ensuring product quality.

Q2:What should be paid attention to during the use of alumina ceramic tubes?

When using alumina ceramic tubes, mechanical shock should be avoided, because ceramic materials may break when subjected to strong impact. At the same time, according to the specific application environment, attention should be paid to its temperature and chemical conditions to ensure the stable performance of its performance.

Q3:What are the key points for the installation and maintenance of alumina ceramic tubes?

When installing alumina ceramic tubes, ensure that they match well with the connecting parts to avoid stress concentration caused by improper installation. In terms of maintenance, regularly check whether there are cracks or wear on the surface and replace damaged parts in time to ensure the normal operation of the system.

Q4:How to cut alumina ceramic tubes?

Diamond wire cutting: Use a small diamond wire cutting machine to mark the cutting line first, making sure that the marking line is straight and evenly distributed on the circumference of the tube. Then, install the diamond wire on the cutting machine, adjust the cutting parameters, such as spindle speed, cutting speed, etc., fix the ceramic tube, and start the cutting machine for cutting.

Laser water jet cutting: Use a laser water jet composite processing head to first use a low-power laser to accurately heat the surface of the ceramic tube, and then use a low-pressure water jet to quickly quench it so that the surface of the material produces thermal stress and breaks, thereby achieving cutting

Q5:How to connect aluminum ceramic tubes?

When connecting alumina ceramic tubes, you need to cut the tubes to the required length first. Be careful not to use too much force to avoid deformation and loss of roundness of the tubes. After cutting, remove the burrs to prevent cutting the sealing ring. Then, mark the insertion length on the end of the tube and install the sealing ring correctly in the groove of the tube. Then, insert the tube into the socket of the pipe fitting and crimp it. When crimping, place the raised part of the pipe fitting in the concave groove of the mold and keep the jaws perpendicular to the axis of the pipe. Finally, use a special gauge to check the crimping size to ensure a firm connection.