| Brand Name: | tianzhili |
|---|---|
| Minimum Order Quantity: | 100 |
| Price: | $4 |
| Supply Ability: | 200,000 |
| Material: | Sapphire | Usage: | Smart Watch Glass |
|---|---|---|---|
| Size: | 1-200mm | MOQ: | 100pcs |
| High Light: | smart watch sapphire crystal,optical collimator lens |
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Customized Size Smartwatch Sapphire Glass For Smart Diving Watch
Synthetic Sapphire Window Technique Index :
On listing is a single dome sapphire
Thick: 1.5mm Center Height: 2.5mm
Size from 20mm to 40.5mm
We ensure it's real sapphire, or a full refund will be sent
Package may be varied.
Item Description
| 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 Smart Watch Glass Show:
