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Watch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens

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Watch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens

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Brand Name : zms

Model Number : lens-001

Place of Origin : china

MOQ : 100pcs

Price : by case

Payment Terms : L/C, T/T

Supply Ability : 1000pcs/month

Delivery Time : 2-4weeks

Packaging Details : carton case

vision light transmissivity : 85%

industry : electronic product protect glass cover,led,optical glass,epi-ready wafer

materials : 99.999% Al2O3

color : Colorless transparent

advantagement : hardness 9.0,wear resistance,

applications user : iphone camera glass,phone,protect window

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Al2O3 sapphire glass optical lens for watch glass,A-axis round Sapphire rough lens for watch protective screem glass

1. what is sapphire glass?

Sapphire is one of the hardest materials, and possesses very good transmissionWatch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens

during the range of visible and near IR spectrum.

It is widely used as optical window in infrared and far infrared military equipments,

apparatus and instruments of satellite and space technology, and navigation and

spaceflight, such as night infrared scope/sight and night vision camera, etc.

The sapphire crystal window is intensively applied in high-tech fields.

Sapphire optical windows are ideal for applications where high pressure, vacuum,

or corrosive atmospheres are a consideration. Sapphire, a single crystal form of Al2O3,

is resistant to attack by strong acids due to its high dielectric constant. It has high

compressive strength and a high melting point. It is also resistant to UV radiation darkening.

Material Sapphire(Al2O3)
Density(20°C) Kg/m3 3.98×103
Crystal Structure hexagonal
Crystal lattice constant a=4.785Å c=12.991 Å
Mohs hardness 9
Melting Point 2045°C
Boiling Point 3000°C
Coefficient of Thermal Expansion α=5.8×10 -6 /K
Specific heat 0.418W.s/g/k
Thermal conduction 25.12W/m/k(@100°C)
Refractive Index (nd) no=1.768
ne=1.76
dn/dt 13×10-6/K(@633nm)
Tranmission T≈80%(0.3~5um)
Permittivity 11.5(//c), 9.3(⊥c)

Sapphire applications:

Sapphire is a hard crystal,it widely been used for watch and mobilephone, Beauty equipment ,lasers,LED, and so on.

1. LED chip

2. optical wafers for phone cover,camera, fingerprint identification cover glass,scanneer wafer

3. watch glass lens

4. sapphire optical lens for high transmittance inquire

5. sapphire bearing &sapphire ball for measurement machine

2. Pictures Size For Sapphire watch lens

Materials: 99.999% sapphire optical grade ,no bubble ,color and crystal boundar.

size:dia40.5x1.0mmt, 35x35x1.0mmt, dia39.5x4.0mmt

Orientation:A(1010)±0.5°,

Tolerance:±0.03mm

surface: double side poshlied or rough surface

Ra:<0.5nm

SD:40/20 ,60/40

Flatnees: 1/2 Lambda(or 1/4,1‘~2’, is ok)

3. Our products

Watch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens

Watch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough LensWatch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens

4.our sapphire process step

.Watch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens

FAQ:

Q: What's the way of shipping and cost?

A:(1) We accept DHL, Fedex, EMS etc.

(2) it is fine If you have your own express account ,If not,

we could help you and Freight is in accordance byh the actual settlement.

Q: What's your MOQ?

A: (1) For inventory, the MOQ is 30pcs. if 100pcs it's better.

(2) For customized commen products, the MOQ is 30pcs up.

Q: What's the delivery time?

A: (1) For the standard products

For inventory: the delivery is 5 workdays after you place the order.

For customized products: the delivery is 2 -4 weeks after you order contact.

Thanks~~~

Product Tags:

sapphire glass window

      

sapphire cover glass

      
China Watch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens wholesale

Watch Protective Screen Custom Sapphire Glass A - Axis Round Sapphire Rough Lens Images

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