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PBN Crucibles for Precision Application

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AC0915 Alumina Tube, Aluminum Oxide Tube, Al2O3

Catalog No. AC0915
Material Al2O3
Purity 95% 99% 99.7%
Density 3.8~3.9 g/cm3
Size Customized

Datasheet

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AC0915 Alumina Tube, Aluminum Oxide Tube, Al2O3

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 ≤3000

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. Advanced Ceramic Materials (ACM) 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%.

Ordering Information

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.