Introduction of Zirconia Tubes

Zirconia tube is a high performance ceramic tube made from zirconium oxide (ZrO₂) with excellent physical and chemical properties. Zirconia is a high melting point, high hardness ceramic material that is often stabilized (e.g. by adding yttrium oxide) to enhance its mechanical properties and thermal stability. Zirconia tubes are widely used in industrial applications in extreme environments such as high temperatures, corrosion and abrasion.

Features of Zirconia Tubes

High heat resistance: zirconia has a melting point of up to 2700°C, which enables it to maintain stable performance in high-temperature environments.

Excellent mechanical properties: high hardness, high strength, and wear resistance, suitable for withstanding mechanical stress and abrasion.

Chemical stability: excellent resistance to acids, alkalis, and other corrosive media.

Low thermal conductivity: zirconium oxide has a low thermal conductivity, making it suitable for use as a heat-insulating material.

Ionic conductivity: at high temperatures, zirconia exhibits oxygen ionic conductivity, making it suitable for use in electrochemical devices.

Biocompatibility: non-toxic and compatible with human tissue, suitable for medical applications.

Parameters of Zirconia Tubes

Specification	Typical Range / Value
Material Composition	Zirconium dioxide (ZrO2), stabilized with Yttria (Y2O3) or Magnesia (MgO)
Density	5.6–6.1 g/cm³
Outer Diameter (OD)	1 mm to 100 mm
Inner Diameter (ID)	Dependent on OD and wall thickness
Wall Thickness	0.5 mm to 5 mm
Length	Customizable, typically from 50 mm to several meters
Flexural Strength	800 – 1200 MPa at room temperature
Fracture Toughness	7 – 10 MPa·m^(1/2)
Vickers Hardness	12 – 14 GPa
Young’s Modulus	200 – 220 GPa
Coefficient of Thermal Expansion (CTE)	10.5 x 10^-6 K^-1 (room temp to 1000°C)
Maximum Service Temperature	Up to 2200°C in non-reducing atmospheres
Thermal Conductivity	2.0 – 3.0 W/m·K at room temperature
Electrical Resistivity	>10^12 Ω·cm at room temperature
Ionic Conductivity	Significant at temperatures above 600°C
Chemical Resistance	Excellent resistance to most acids, alkalis, and molten metals

Applications of Zirconia Tubes

High-temperature industry: for high-temperature furnace tubes, thermocouple protection tubes and molten metal handling equipment. In aerospace, for thermal protection parts and engine components.

Electrochemical devices: as electrolyte material in solid oxide fuel cells (SOFC) for energy conversion and storage. Used in oxygen sensors to measure oxygen concentration in a wide range of applications, including automotive exhaust monitoring and industrial process control.

Medical field: Used in dental implants, artificial joints, and bone repair materials due to its biocompatibility and high strength. Used as corrosion and temperature-resistant components in medical devices.

Laboratory equipment: Used in high-temperature reaction vessels, crucibles and laboratory tubes, suitable for chemical analysis and materials research.

Environmental protection and energy: used as catalyst carriers or reaction tubes in exhaust gas treatment and catalytic reactions. High-temperature resistant components for solar cells and nuclear energy equipment.

Company Profile

RBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high-quality chemicals and Nanomaterials.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are looking for high-quality Zirconia Tubes please feel free to contact us or click on the needed products to send an inquiry. 

Payment Term

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

Packing and Storage

The product is in powder form and should be stored in a cool, ventilated place. Avoid inhalation when using it and keep away from open flames, heat sources, etc.

Shipment Term

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

FAQs of Zirconia Tubes

Question 1: What is the main component of zirconia tubes?

Answer: The main component of zirconia tubes is zirconia (ZrO₂), which is usually improved by adding stabilizers (e.g., yttrium oxide Y₂O₃) to prevent phase transformation at high temperatures, thereby increasing its mechanical strength and thermal stability.

Question 2: How do zirconia tubes perform in high-temperature environments?

Answer: Zirconia tubes exhibit excellent performance in high-temperature environments. With a melting point as high as 2,700°C, zirconia tubes are able to maintain structural stability and mechanical strength at extreme temperatures and are therefore widely used in high-temperature furnace tubes, thermocouple protection tubes, and aerospace thermal protection components.

Question 3: What are the applications of zirconia tubes in the field of electrochemistry?

Answer: In the field of electrochemistry, zirconia tubing is mainly used as electrolyte material in solid oxide fuel cells (SOFC) due to its oxygen ion conductivity at high temperatures. It is also used in oxygen sensors, which are widely used in automotive exhaust monitoring and industrial process control.

Question 4: What are the advantages of zirconia tubes in the medical field?

Answer: The advantages of zirconia tubing in the medical field are mainly in its biocompatibility, high strength, and corrosion resistance. It is commonly used in dental implants, artificial joints, and bone repair materials and can be well integrated with human tissues without toxic side effects.

Question 5: How does the thermal conductivity of zirconia tubing affect its application?

Answer: The low thermal conductivity of zirconia tubing makes it excellent for thermal insulation applications. For example, in high-temperature furnaces or aerospace equipment, zirconia tubing can be used as an insulating material to reduce heat transfer and improve the thermal efficiency of the equipment. However, the low thermal conductivity also limits its use in scenarios that require rapid heat transfer, such as certain heat sink components.