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Sapphire Tubes for Extreme Industrial Environments
Our precision custom Sapphire tubes, crafted from high-purity single crystal alumina, are engineered for the most demanding industrial applications. Featuring extreme hardness, high strength, wide optical transmission (UV to IR), and superior resistance to high temperatures and corrosive chemicals, these bespoke sapphire tubes are ideal for furnace liners, process tubes, and protective sleeves in semiconductor, chemical, and other harsh environments.
Product Description
- Material: Synthetic Sapphire
- Shape: Circular Wafer
Key Specifications
- Diameter: 50.0 ±0.1 mm
- Thickness: 3.0 ±0.05 mm
- Surface Finish: Double-side polished (Ra ≤ 5 nm)
- Crystallographic Orientation: C-plane (0001) [Customizable]
- Edge Treatment: Chamfered (0.2 mm max)
Physical Properties
- Density: 3.98 g/cm³
- Hardness: 9.0 Mohs
- Transmittance Range: 0.15–5.5 μm
- Thermal Conductivity: 35 W/(m·K) @ 25°C
Quality Standards
- Flatness: ≤ 1 μm/cm
- Parallelism: ≤ 1 arcmin
- Laser Marking: Optional (Lot ID/Custom text)
Applications
- Optical, Semiconductor, LED Substrates, etc.
Packaging
- Cleaning: Ultrasonic-cleaned, Class 100 cleanroom
- Storage: Vacuum-sealed, anti-static container
Notes
Custom specifications (e.g., orientation, coatings, metrology reports) available upon request.
Compliance with RoHS & REACH standards.
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