Type: | Watches For Parts | Size: | Custom Size |
---|---|---|---|
Application: | 9H Hardness | Surface Treatment: | Polished |
Usage: | Watch Glass | Color: | Transparent |
High Light: | sapphire coated glass,sapphire optical window |
Different Shape Transparent Synthetic Sapphire Glass For Watch
Industrial synthetic sapphire glass Rectangle/Square Sapphire Glass
Products
|
Subjects
|
Length(mm)
|
Width(mm)
|
Thickness(mm)
|
Rectangle Sapphire windows
|
Size
|
2.00~210.00
|
1.00~150.00
|
0.05~50.00
|
Tolerance
|
0.03~0.10
|
0.03~0.10
|
+/-0.02
|
|
Square Sapphire window
|
Size
|
1.00~150.00
|
1.00~150.00
|
0.05~50.00
|
Tolerance
|
0.03~0.10
|
0.03~0.10
|
+/-0.02
|
Industrial synthetic sapphire glass Round Sapphire glass
Products Name
|
Diameter
|
Tolerance
|
Thickness
|
Tolerance
|
Sapphire Window
|
φ2mm~250mm
|
+/-0.01mm
|
0.1mm~150mm
|
+/-0.01mm
|
Synthetic Sapphire Window Technique Index :
Property | Specification |
Thickness | 1-50mm |
Size tolerance | 0.02mm |
Edge Finish | Ground and beveled |
Surface Quality | 60-40 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 |