| Place of Origin: | Guangdong, China (Mainland) |
|---|---|
| Brand Name: | Tianzhili |
| Model Number: | Custom |
| Price: | US $4.50 |
| Type: | Watches For Parts | Material: | Sapphire |
|---|---|---|---|
| Size: | 1-200mm | MOQ: | 100pcs |
| Shape: | Customized Shape | Feature: | Scratch-resistant |
| Surface Treatment: | Polished | Service: | OEM,ODM |
| Usage: | Watch Glass | Application: | Watch Parts |
| Coating: | AR-Coating | ||
| High Light: | sapphire glass watch face,scratch resistant watch crystal |
||
Scratch Resistant Polished Flat Watch Glass Customized Shape Available
Product 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 |
Production Flow
Company Information
Our company has a complete ,standardized and scientific quality management system.Characteristic lead the future. Characteristic products and service is the foundation of our cooperation,and we look forward to create brilliant achievements together with you.
Inspection equipment
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.
