| Model: | - |
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| Brand: | - |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument |
| Label: | Sapphire Ingot , Optical Window , Sapphire Crystal |
| Price: |
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| Min. Order: | 1 pc |
| Live Chat: |  | Last Online:01 Aug, 2017 |
What is sapphire?
Sapphire, the single crystal form of alumina (Al2O3), synthetic sapphire is often the material of choice for design engineers dealing with extreme conditions of high temperature, high pressure and harsh chemical environments.Now synthetic sapphire products are widely used in mobile devices windows, LED substrates, watch lenses, customized sapphire components and military applications.
Specification:
| General Properties | Chemical composition | AL2O3 |
| Crystal structure | Hexagonal System | |
| Melting point | 2045ºC | |
| Thermal Properties | Coefficient of expansion | Parallel to C-axix:6.7×10-6 |
| Perpendicular to C-axis:5.0×10-6 | ||
| Specific heat | 0.18Cal/gm°K(25ºC) | |
| Mechanical Properties | Density | 3.98-4.1g/cm3 |
| Hardness | Moh′s Hardness:9 | |
| (Hv)≥1700Kg/mm2 | ||
| Elastic modulus | 340-380Gpa | |
| Compressive strength | 2.1Gpa | |
| Compressive strength | 0.19Gpa | |
| Optical Properties | Index of refraction | Parallel optical axis C-axis:1.769 |
| Vertical optical axis C-axis:1.76 | ||
| Infrared transmittance | In 633nm wavelength>85% | |
| Translucent band | 0.3um-6um | |
| Electrical Properties | Resistivity | >1016Ω(25ºC) |
| Permittivity | 7.5-10 | |
| Electrical Properties | Corrosion resistance | Will not be Eroded by acids of alkalis at normal temperature,will be Eroded by HF in 300ºC |
Who we are and what we do?
We,LBYCRYSTAL Optoelectronics Co.,Ltd was established in 2014, specializes in processing and distributing sapphire related products including sapphire crystal ingots, 2-8 inches sapphire rods, wafers and customized sapphire products.
| Payment Terms: | T/T/D/P/Western Union/Paypal/Money Gram |
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