اسم العلامة التجارية
Orino
Item name
Shenzhen factory Customize Dome Crystal Sapphire Glass For Watches
Material
Mineral glass,sapphire glass
Diameter Tolerance
±0.02mm
Clear Aperture
>80% of central diameter
Surface Quality
80/50~10/5 scratch and dig
Edge Finish
Ground and beveled
Hardness (Knoop)
1370 kg mm-2
Surface
Curved, Dome, Flat, Drilling Hole
Coating
AR, IR, Upon Customer Request