Brand Name : Tianzhili
MOQ : 100
Price : $4
Supply Ability : 200,000pcs /month
material : sapphire
shape : customized
color : costomized
size : 1-200mm
Various Colors Sapphire Crystal Glass , 0.02mm Size Sapphire Coated Glass
Synthetic Sapphire Window Technique Index :
Specification:
100% brand new and high quality
Material: Scratch Resistant Sapphire Glass
2 Sizes for choosing: 5.5x4.5mm(for women's watches), 7.0x5.5mm(for men's watches)
Feature: Scratch-resistant, High transparency
Use on date window watch crystal glass. You need to use a clear crystal glue(not included) to fix it.
The watch and round crystal in the picture are just for demonstration. They are not included.
Package included:
1x Sapphire Bubble Magnifier Lens for Date Window Watch Crystal Glass
Note:
Due to the hand measurement, there have size error about 1-3cm
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
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:
Various Colors Sapphire Crystal Glass , 0.02mm Size Sapphire Coated Glass Images |