Ultra-Fine 99% Alumina Ceramic Tubes
**Product Overview**
Ultra-fine 99% alumina ceramic tubes represent the pinnacle of high-purity ceramic components, engineered for applications demanding exceptional thermal, mechanical, and electrical performance. These precision tubes are manufactured from 99% aluminum oxide (Al₂O₃) with superior microstructure control.
**Material Properties**
- Purity: 99% Al₂O₃ content
- Density: ≥3.92 g/cm³
- Flexural Strength: 450-500 MPa
- Maximum Service Temperature: 1700°C
- Thermal Conductivity: 30 W/(m·K)
- Dielectric Strength: 18-22 kV/mm
5. Superior chemical inertness
6. Excellent high-frequency characteristics
**Standard Specifications**
- Outer Diameter: 0.5mm – 50mm
- Wall Thickness: 0.1mm – 5mm
- Length: Up to 1000mm
- Concentricity: >95%
- High-purity powder processing
- Isostatic forming technology
- Precision CNC grinding
- High-temperature sintering (1750-1800°C)
- 100% laser inspection
- Semiconductor wafer processing
- High-power laser systems
- Vacuum and ultra-high vacuum systems
- Analytical instrument components
- Medical implantable devices
- Aerospace sensor housings
**Quality Assurance**
- Full material certification
- Microstructure analysis (SEM available)
- Dimensional verification
- Hermeticity testing
- Electrical property testing
- Special diameters and wall thicknesses
- Precision end finishing
- Metallization (Mo/Mn, W, Au)
- Laser-drilled micro-holes
- Special surface treatments
**Technical Support**
Our engineering team provides:
- Fluid dynamics analysis
- Thermal stress modeling
- Application-specific design
- Prototyping services
