Clear Waterproof Sapphire Convex Lens For Watch
Clear Waterproof 0.5-1.5mm Sapphire Crystal Watch Glass For Swiss Made Watches
Description of sapphire crystal:
Synthetic sapphire is transparent single crystal 99.99% pure Al2O3 that exhibits a unique combination of physical, chemical, electrical and optical
It drives development of new markets like general lighting, backside lighting in TV-sets, displays, consumer appliances, aerospace and defense, and other applications
a: Dimesion size : 0.2-300mm , thickness >0.1mm
b: Many material could be choiced , include IR material like Ge, Si, Znse, fluoride and so on
c: AR coating or as your request
d: Product shape : round , rectangle or custom shape
Q: How did you test the product before they are packed?
A: We have strict QC procedure, each product will be tested by three times even more with professional machine before packing.
Q: What if the products we received are not good?
A: Contact us without hesitation, our special after-sales service will take the responsibility.
Q: What's the material of your products ?
A: Sapphire
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