sapphire tube CZmethod KY method High Temperature Resistance Al2O3 99.999% single crystal sapphire
Specification
Property |
Description |
Material Composition |
99.999% pure Al₂O₃ Single Crystal Sapphire |
Crystal Structure |
Hexagonal (Rhombohedral), ensuring high optical clarity and excellent mechanical strength |
Hardness |
9 on the Mohs scale, providing superior scratch and wear resistance, second only to diamond |
Thermal Conductivity |
46 W/m·K (at 100°C), enabling efficient heat dissipation |
Melting Point |
2,040°C (3,704°F), offering exceptional resistance to extreme temperatures |
Maximum Operating Temperature |
Can operate continuously at temperatures up to 1,600°C (2,912°F) |
Thermal Expansion Coefficient |
5.3 × 10⁻⁶ /°C (0-1000°C), ensuring dimensional stability under high thermal fluctuations |
Refractive Index |
1.76 (at 0.589 μm), providing excellent optical properties suitable for use in UV to IR applications |
Transparency |
Over 85% transparency across wavelengths from 0.3 to 5.5 μm |
Chemical Resistance |
Highly resistant to acids, alkalis, and most chemical corrosives |
Density |
3.98 g/cm³, ensuring robust structural integrity |
Young’s Modulus |
345 GPa, providing high mechanical stiffness and durability |
Electrical Insulation |
Excellent dielectric properties, making it ideal for insulating applications in electronics |
Manufacturing Techniques |
Produced using advanced Czochralski (CZ) and Kyropoulos (KY) methods for precision and reliability |
Applications |
Commonly used in semiconductor processing, high-temperature furnaces, optics, aerospace, and chemical industries |
XINKEHUI sapphire tube property tube
Product Application
Sapphire tubes are widely used in high-performance industries such as semiconductor processing, aerospace, optics, and chemical engineering. Their ability to withstand extreme temperatures (up to 1,600°C), coupled with exceptional chemical resistance to acids and alkalis, makes them ideal for high-temperature furnaces and corrosive environments. Additionally, their superior transparency across UV to IR wavelengths makes them valuable in optical systems. The sapphire tube’s high mechanical strength and thermal conductivity are also critical for applications where durability and heat dissipation are required, such as in electronics and power systems.
Overall Summary
The sapphire tube, made from 99.999% pure Al₂O₃ single crystal sapphire, is an exceptional material designed for use in high-performance industries such as semiconductors, aerospace, optics, and chemical engineering. With a hardness of 9 on the Mohs scale, it offers superior scratch resistance and mechanical strength. It can operate in extreme environments with temperatures up to 1,600°C, making it ideal for high-temperature furnaces and corrosive settings due to its excellent chemical resistance.
Additionally, the sapphire tube’s thermal conductivity of 46 W/m·K ensures efficient heat dissipation, while its high transparency across UV to IR wavelengths supports critical optical applications. Combined with its excellent dielectric properties, this product is a robust solution for electronics, power systems, and optics. With high durability, stability, and performance, sapphire tubes deliver reliability in some of the most demanding industrial and technological environments.