Description of Alumina Tube
Alumina Tubes, made from high-purity aluminum oxide (Al2O3), are known for their exceptional combination of properties, making them suitable for a wide range of industrial and scientific applications. These properties include high hardness, excellent wear resistance, and superior thermal stability, allowing Alumina Tubes to withstand extreme temperatures without deformation or degradation. Additionally, Alumina Tubes exhibit excellent electrical insulation properties, making them ideal for use in high-voltage environments and electronic components. They are also chemically inert, resistant to most acids and alkalis corrosion, and have low thermal expansion, which ensures dimensional stability under varying thermal conditions. These characteristics make Alumina Tubes highly versatile and essential in applications such as furnace components, thermocouple protection, electrical insulators, and structural components in harsh chemical and thermal environments.
Specification of Alumina Tube
|
Composition
|
UNIT
|
Al95
|
Al99
|
Al997
|
|
AL2O3 Content
|
%
|
95
|
99
|
99.7
|
|
Color
|
|
White
|
Ivory
|
Ivory
|
|
Tensile Strength
|
Kpsi
|
32
|
38
|
36
|
|
Flexural Strength
|
Kpsi
|
52
|
55
|
54
|
|
Compressive Strength
|
Kpsi
|
300
|
377
|
350
|
|
Density
|
g/cc
|
3.70
|
3.90
|
3.92
|
|
Hardness
|
HV, GPa
|
13.8
|
17.2
|
18
|
|
Thermal Conductivity
|
W/(m K)
|
25
|
30
|
30
|
|
C.O.T.E.
|
In / In°C (x10^-6)
|
7.7
|
7.8
|
7.8
|
|
Working Temperature
|
°C
|
1500
|
1650
|
1750
|
|
Dielectric Constant
|
|
9.5
|
9.7
|
9.8
|
|
Volume Resistivity (25°C)
|
Ohm-cm
|
>10^14
|
>10^14
|
>10^14
|
Applications of Alumina Tube
High-purity alumina materials are particularly valuable for fabricating components used in processes such as chemical vapor deposition (CVD), ion implantation, photolithography, and semiconductor manufacturing. Moreover, in traditional industries, alumina tubes serve as ideal solutions for injector tubes and insulators. Additionally, alumina tubes are commonly employed as protective enclosures for high-temperature thermocouples.
Packaging of Alumina Tube
Our Alumina Tube is carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original condition.
Prototyping service also available for other ceramics material
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