Alumina Tube | High-Purity Aluminum Oxide Ceramic Tube
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.
| 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 ≤3000 |
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* Custom sizes and dimensions available upon request.
|
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. Advanced Ceramic Materials (ACM) can produce alumina ceramic tubes according to your specified instructions or strive to meet your requirements. Custom sizes are available.
Alumina ceramic tubes are versatile and used in a wide range of applications:
Our alumina tubes are carefully handled to prevent damage during storage and transportation, ensuring they remain in their original high-quality condition.
What is the maximum operating temperature?
It depends on the purity grade. Our 99.7% alumina tubes can withstand up to 1750°C, while 95% and 99% grades are rated for 1500°C and 1650°C respectively.
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%.
You can order alumina tubes in the desired size and quantity. For bulk orders or custom requirements, don't hesitate to contact us for more details.