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Alumina (Al2O3) Ceramic Tube
New product
Alumina (Al2O3) Ceramic is an excellent material for various applications such as CVD, ion plants, photolithography, and semiconductor parts. It offers high hardness, mechanical strength, temperature stability, thermal conductivity, insulation, and corrosion resistance. Heeger Materials provides top-quality Al2O3 Ceramic at competitive prices, offering specialized and customized services.
Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.
Data sheet
| Materials | Al2O3 |
| Purity | 95%, 99%, 99.7%, or customized |
| Size | Per request or drawing |
More info
Alumina (Al2O3) Ceramic Tube is made of aluminum oxide ceramic - a fine ceramic material that is widely used in various industries. Aluminum oxide tube has superb performance in electrical insulation, high chemical resistance, and low thermal expansion.
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Alumina (Al2O3) Ceramic Tube Specifications
Composition | UNIT | HM-Al95 | HM-Al99 | HM-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 |
Coefficient of Thermal Expansion | 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 | >1014 | >1014 | >1014 |
Alumina (Al2O3) Ceramic Tube Dimensions
Outer Diameter | Φ1-150 mm |
Inner Diameter | Φ0.5-140 mm |
Wall Thickness | 0.25-15 mm |
Length | 1-1000 mm |
Note: Customized services can be available according to specific drawings. | |
Alumina (Al2O3) Ceramic Tube Advantages
- High-temperature resistance
- Good gear resistance
- Good corrosion resistance
- High hardness
- Low thermal expansion
- Low friction coefficient
Alumina (Al2O3) Ceramic Tube Applications
- Used as insulators in electrical components, such as high voltage insulators, spark plugs, and electrical connectors.
- Used in the manufacturing of wear-resistant parts, cutting tools, and blades.
- Used in heating elements and furnace components due to their excellent thermal conductivity and resistance to high temperatures.
- Used in various medical and dental applications, including implants, prosthetics, orthopedic devices, and dental tools.
- Used for making parts for CVD, ion implants, photolithography, and semiconductor parts.
- Used as a protector for high-temperature thermal couples.
- Used as a material for the chemical industry due to its high corrosion resistance.
Alumina (Al2O3) Ceramic Tube Packing
Alumina (Al2O3) Ceramic Tubes are carefully packaged with adhesive-free surface protection tape and cardboard boxes to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.
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