Sapphire is a single crystal aluminum oxide (Al2O3),is renowned for its exceptional optical properties and wide range of applications in various industries. Sapphire's remarkable attributes, such as high hardness, excellent optical transparency, chemical stability, and thermal conductivity, make it an ideal material for optical components in demanding environments.
Properties of Single Crystal Sapphire:
| Chemical formula | Al₂O₃ |
| Purity | 99.999% |
| Crystal structure | Hexagonal |
| Density | 3.98g/cm³ |
| Hardness Mohs | 9 |
| Fusion point | 2045℃ |
| Boiling point | 2980℃ |
| Coefficient of Thermal Expansion | 5.8×10 -6 /K |
| Specific heat | 0.418W.s/g/k |
| Thermal conduction | 25.12W/m/k(@100°C) |
| Refractive index | no=1.768 ne=1.760 |
| dn/dt | 13×10-6/K(@633nm) |
| Transmission | T≈80%(0.3-5μm) |
| Permittivity | 11.5(//c), 9.3(⊥c) |
FAQ:
1. Can you accept OEM?
Of course,we can manufacture as per your request specification.
2. Can you deliver the goods via our shipping agent?
It's our pleasure to make the delivery using your shipping agent
3. What about your After-sales service?
We can change or refund products if there are any quality problem.
If you need more professional help, please contact us. Our technical engineers
would like to give advices according to your requirements
