| Place of Origin: | Guangdong, China (Mainland) |
|---|---|
| Brand Name: | tianzhili |
| Model Number: | customized |
| Price: | US $3.00 |
| Material: | Sapphire Crystal, Sapphire | Usage: | Optical |
|---|---|---|---|
| Structure: | Plano | Shape: | Customized |
| Coating: | Anti-Reflective (AR) Coatings | Color: | Transparent Clear |
| High Light: | smart watch sapphire crystal,scratch resistant watch face |
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Anti - Reflective Sapphire Cover Glass , Transparent Optical Collimator Lens
Product Description
Hardness level is 9, just next to diamond
● Highly clear
● Smooth edge treatment, no scratches
● The surface is smooth
● High temperature resistant, scratch-proof, wear-resistant
NOTE: Please avoid intense impact
SPECIFICATIONS:
Material: Sapphire glass
Color: Clear
Thickness: 1.2mm (there might be ±0.1mm difference)
Diameter: (there might be ±0.05mm difference)
28mm
29mm
30mm
31mm
Package Include:
1 x Sapphire Watch Glass
Notice:
1,Pls allow 1-3mm error due to the manual measurement,pls make sure you do not mind before you bid.
2,The color may have a liitle different as the difference display,pls understand.
|
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 |
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.
