| Place of Origin: | Guangdong, China (Mainland) |
|---|---|
| Brand Name: | Tianzhili |
| Model Number: | Customized |
| Price: | US $5.00 |
| Type: | Watches For Parts | Material: | Sapphire Glass |
|---|---|---|---|
| Size: | 1-200mm | Shape: | Custom Shape |
| MOQ: | 50pcs | Surface Treatment: | Polished |
| Service: | OEM ODM | Usage: | Watch Glass |
| Name: | Sapphire Crystal | Application: | Sapphire Watch |
| Hardness: | 9H | ||
| High Light: | sapphire glass watch face,scratch resistant watch crystal |
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1-200 mm Dia Polished Flat Watch Glass For Sapphire Watch 0.02mm Size Tolerance
About Custom
Flat, double, single, pot shape, calendar crystal, single bridge, double bridge and so on all the shape are supported custom-made,
our company specializes in producing and processing all kinds of watches and jewelry glass. Round flat 0.8.1, 1.2, 1.5, 2, 2.5,3.0...,
double, pot shape basically are in stock, if you need. Please order,
you can contact customer service.
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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