| Place of Origin: | Guangdong, China (Mainland) |
|---|---|
| Brand Name: | Tianzhili |
| Price: | US $5.00 |
| Type: | Watches For Parts | Material: | Sapphire |
|---|---|---|---|
| Color: | Various Colors | Feature: | 9H Hardness |
| MOQ: | 100pcs | Surface Treatment: | Polished |
| Shape: | Custom Shape | Service: | OEM ODM |
| Size: | 1-200mm | Usage: | Watch Glass |
| Name: | Sapphire Glass | ||
| High Light: | smart watch sapphire crystal,scratch resistant watch face |
||
0.5-50 mm Thick Scratch Resistant Watch Glass , Various Colors Sapphire Optical Window
Synthetic Sapphire Window Technique Index :
| Property | Specification |
| Thickness | 0.5-50mm |
| Size tolerance | 0.02mm |
| Edge Finish | Ground and beveled |
| Surface Quality | 40-20 scratch-dig |
| Surface Flatness | λ/4 @ 633 nm |
| Parallelism | ≤3 arc min (≤0.9 mrad) |
| Clear Aperture | >80% of central diameter |
| Hardness (Knoop) | 1370 kg mm-2 |
| Young's modulus | 3.4 x 1011 N m-2 |
| Thermal Limit | 22 W m-1 K-1 |
| Thermal expansion coefficient | 8.4 x 10-6 K-1 |
Sapphire Watch Glass Show:
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