Alumina Tube Description
Alumina Tubes are manufactured using premium-grade aluminum oxide (Al2O3) ceramic, known for their superior performance in high-temperature environments, chemical resistance, and electrical insulation. These ceramic tubes are ideal for use in industrial ovens, machinery, and thermocouple protection. Additionally, their high purity makes them perfect for CVD, ion implantation, and semiconductor manufacturing applications.
Alumina Tube Specifications
|
OD (mm) |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
110 |
120 |
|
ID (mm) |
25 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
110 |
|
Length (mm) |
95AL/99AL/997AL |
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Alumina Tube Various Purities
|
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
|
*This chart demonstrates the typical properties of common alumina materials used to produce our alumina parts. The properties of customized aluminum oxide parts may vary due to different processes. Supreme Ceramic Materials (SCM) can produce alumina ceramic tubes according to your specified instructions or strive to meet your requirements. Custom sizes are available.
Key Features and Benefits
· High-Temperature Resistance: Can withstand temperatures up to 1750°C.
· Chemical Resistance: Excellent resistance to acids, alkalis, and other corrosive substances.
· Electrical Insulation: Outstanding electrical insulating properties.
· Durability: High hardness and wear resistance.
· Low Thermal Expansion: Minimizes the risk of thermal shock.
Applications
Alumina ceramic tubes are versatile and used in a wide range of applications:
· Semiconductor Industry: Ideal for making parts for CVD, ion implants, photolithography, and semiconductor components.
· Traditional Industries: Used in products such as injector tubes, gas nozzles, and insulators.
· Industrial Furnaces: Suitable for high-temperature environments due to its ability to maintain hardness.
· Thermocouple Protection: Acts as protectors for high-temperature thermocouples.
· Chemical Industry: Utilized for its high corrosion resistance in various chemical processing equipment.
Packaging
Our alumina tubes are carefully handled to prevent damage during storage and transportation, ensuring they remain in their original high-quality condition.
Frequently Asked Questions (FAQs)
· What is the maximum temperature these alumina ceramic tubes can withstand?
Our alumina tubes can withstand temperatures up to 1750°C.
· Do you offer custom sizes and shapes?
Yes, we offer custom sizes and shapes to meet specific requirements. Please contact us for more details.
· What is the purity level of the alumina used in these tubes?
The alumina used in our tubes has a purity level of up to 99.8%.
