Transparent Polished Sapphire Tube with Customizable Wall Thickness
Transparent polished sapphire tube is manufactured from single‑crystal alumina (Al₂O₃). Boasting outstanding optical performance, superior mechanical strength, high‑temperature stability and excellent chemical corrosion resistance, sapphire tubing serves as an ideal replacement for quartz and traditional ceramic materials in harsh‑condition projects. Our factory supplies high‑quality polished sapphire tubes with customizable wall thickness, outer & inner diameter, length and surface finish to match your unique drawing and technical requirements.
What is Sapphire Tube & Main Application Fields
Sapphire tube features a combination of premium optical, mechanical, electrical and chemical properties. Thanks to these comprehensive advantages, transparent polished sapphire tubes are widely adopted across multiple high‑end industries:
- Aerospace sensor systems: Used as protective sleeves for high‑temperature sensors under extreme working environments.
- Semiconductor processing: Applied in vacuum equipment, plasma chambers and high‑purity gas delivery channels.
- Industrial engineering systems: For high‑pressure pipelines, observation viewports and corrosion‑resistant structural components.
- Medical devices & analytical instruments: Deployed in diagnostic equipment, fluid channels and precision testing apparatus.
When quartz or common ceramics fail to satisfy requirements for hardness, temperature tolerance or gas tightness, custom sapphire tubes become the preferred engineering solution.
Sapphire Tube Technical Parameters
| Feature | Specification |
|---|---|
| Material | Single‑crystal Sapphire (Al₂O₃) |
| Hardness | Mohs scale 9 |
| Purity | 99.995% |
| Melting Point | 2000℃ |
| Max Working Temperature | Up to 1950℃ |
| Gas Tightness | 100%, resist residual‑gas permeation & corrosive chemical gas |
| Custom Options | Wall thickness, OD, ID, length, inner‑outer surface polishing, special shapes |
All our transparent sapphire tubes go through precise grinding and double‑sided polishing. We support non‑standard custom sapphire tubes according to customer drawings.
Key Advantages of Our Polished Sapphire Tube
- Superior mechanical performance: Mohs‑9 high hardness brings excellent wear‑resistance and structural stability.
- Extreme thermal resistance: Reliable performance at working temperature up to 1950℃ without deformation.
- Perfect gas tightness: Single‑crystal structure achieves 100% gas‑tight performance to prevent gas penetration.
- Powerful anti‑corrosion capacity: Resist erosion from most acids, alkalis and aggressive chemical gases.
- Custom‑made service: Flexible customization on wall thickness, dimension and finish for your project needs.
Get Custom Sapphire Tube Quote
If you need transparent polished sapphire tubes with custom wall thickness or special sapphire components, please feel free to contact us. Send over your dimension drawings, technical indexes and quantity requirements, we will offer competitive factory price and fast lead‑time.
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