Type: | Watches For Parts | Material: | Sapphire |
---|---|---|---|
Size: | 1-200mm | MOQ: | 100pcs |
Shape: | Custom Shape | Surface Treatment: | Polished |
Service: | OEM ODM | Surface Quality: | 80/50,60/40,40/20 |
Usage: | Sapphire Glass For Watch | Coating: | AR,AF-Coating |
Hardness: | 9H | ||
High Light: | sapphire glass watch face,synthetic sapphire glass |
AR / AF Coating Polished Flat Watch Glass Custom 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.
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