Material: | Sapphire | Usage: | Smart Watch Glass |
---|---|---|---|
Size: | 1-200mm | MOQ: | 100pcs |
High Light: | smart watch sapphire crystal,optical collimator lens |
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: