|Product Name:||Sapphire Glass||Material:||Artificial Sapphire|
|Coating:||Anti-Reflective (AR) Coatings||Shape:||Circular Plane|
|Model Number:||Customization||Brand Name:||TianZhiLI|
synthetic sapphire glass,
scratch resistant watch crystal
Gold Flower Scratch Resistant Watch Glass Ground And Beveled Edge Finish
|Main Specs of Optical Window|
|Product Name||Optical Window|
|Parallelism||±30 arc sec|
These round sapphire glass crystals come in a variety of thicknesses and diameters, and the almost unbreakable crystals are highly valued by watchmakers.
The electroplating process makes the sapphire glass more beautiful, and you can customize a variety of colors and graphics. These watch crystals can be attached to most cases or to most plastic watch crystal washers.
Each sapphire crystal is mirrored with a slightly polished beveled edge that, once installed, gives the watch crystal a beautiful look.
These versatile sapphire glass crystals can be used to replace almost all the crystals of today's popular brand-name watches, especially the high-end watch crystals in Rolex watches, saving you time and money.
Please try to offer more details as below when you place an order:
1. Buyer offers an original sample or related mounting parts and special request for attention or change.
2. If you are unable to provide samples, please provide drawings or try to provide more details.
We can provide flat/single domed/double domed and other shape watch glass,Welcome to email us.
Synthetic Sapphire Window Technique Index :
|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|
glasssurface technologypolishing ,chamfermiddle height random.contace me if you have other specific needsThese round sapphire
glass crystals come in a variety of thicknesses and diameters, are nearly unbreakable crystals making them highly prized by
watchmakers. These watch crystals can be glued into most watch cases or pressure fit into most plastic watch crystal gaskets. Each
sapphire watch crystal comes with a slightly polished bevel edge to give the watch crystal a nice finished look once it has been
installed. These generic sapphire glass crystals can be used to replace the watch crystals of almost every name brand watch
popular today, especially high-end watch crystals like those in Rolex watches, saving you both time and money.
Except for sapphire glass, if you need another watch part, please contact me.Welcome to long-term cooperation.