Porous Alumina Tube
Porous alumina tubes are made from high-purity alumina with a fine, controlled pore structure. They are widely used in filtration, gas diffusion, fluid separation, insulation, and support applications. These tubes offer excellent chemical resistance, thermal stability, and mechanical strength while allowing gases or liquids to pass through their porous walls.
- Controlled porosity for filtration and diffusion
- High-purity alumina with thermal and chemical stability
- Excellent mechanical strength and rigidity
- Good permeability for gases and liquids
- Custom sizes, porosity, and shapes available
Porous Alumina Tube
Alumina porous tube is designed for applications requiring efficient filtration, gas diffusion, or controlled fluid flow. Made from high-purity alumina, it offers excellent chemical stability, thermal resistance, and structural integrity. The uniform porosity allows consistent permeability while maintaining strength under pressure. Widely used in laboratories, environmental monitoring, and industrial filtration systems, it withstands aggressive chemicals and high temperatures. This component ensures reliable separation, diffusion, or fluid delivery in controlled environments. The alumina porous tube delivers precision and durability, making it an essential element in analytical instruments and advanced process systems that demand clean and efficient performance.
Technical Specifications
| Parameter | Typical Range |
| Length Range | ≤300mm |
| Outer Diameter | ≤150mm |
| Surface Roughness | Ra0.02-Ra0.2 |
| Minimum Wall Thickness | 0.1mm |
| Roundness | 0.002mm |
| Concentricity | 0.002mm |
| Straightness | 0.004mm |
| Perpendicularity | 0.005mm |
Please refer to our Processing Capability Table for the full range of processing capability.
Advantages of Porous Alumina Tube
- Controlled Porosity and Permeability: Because the pore size can be precisely engineered, the tube allows tailored flow rates for gases and liquids.
- Excellent Thermal and Chemical Stability: As a result, it performs reliably in high-temperature and corrosive environments.
- High Mechanical Strength: Despite its porosity, it maintains structural integrity under pressure and thermal cycling.
- Biocompatibility and Inertness: Therefore, it is suitable for use in medical, pharmaceutical, and biological applications.
- High Surface Area: In addition, the porous structure enhances catalytic reactions and adsorption processes.
- Good Electrical Insulation: Consequently, it can also be used in electrochemical applications without conducting current.
Applications of Porous Alumina Tube
- Filtration and Separation Systems: For example, it is used to filter gases, solvents, and biomaterials with high purity and precision.
- Catalyst Supports and Reactors: Because of its thermal stability and surface area, it supports active materials in chemical processing.
- Gas Diffusion and Flow Control: In addition, it ensures uniform gas distribution in fuel cells, reactors, or gas burners.
- Medical and Biomedical Devices: Used in dialysis, drug delivery, and tissue culture systems due to its biocompatibility and selective permeability.
- Analytical and Laboratory Instruments: Suitable for sample conditioning, degassing, or controlled release in high-precision environments.
- Battery and Electrochemical Applications: Lastly, it serves as a solid electrolyte support or ionic separator in advanced battery technologies.
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