Clear Domed Sapphire Crystal Watch Case Back Cover for Luxury Men Wristwatch
Clear Domed Sapphire Crystal Watch Case Back Cover for Luxury Men Wristwatch
Sapphire crystal glass features:
Sapphire is the second hardest crystal next to diamonds and, because of their structural strength, sapphire windows can be made much thinner than other common dielectric windows with improved transmittance.Thinner and Stronger than Standard Glass Windows,Transmits Wavelengths Ranging From UV to Mid-Infrared,Features Extreme Surface Hardness and Chemical Resistance, Sapphire Windows are manufactured from single crystal sapphire, making them ideal for demanding applications (such as laser systems) because of their extreme surface hardness, high thermal conductivity, high dielectric constant and resistance to common chemical acids and alkalis.
Q: Do you provide samples ? is it free or extra ?
A: Yes, but it's a precision product that requires extra cost and freight.
Q: How can I customize my products?
A: Attach your drawings with details (Surface treatment, material, quantity and special requirements etc).
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
Production description:
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