High Performance Sapphire Watch Case With CZ Method Grown Sapphire

Minimum Order Quantity:5pcs
Delivery Time:5-8 weeks
Payment Terms:T/T
Place of Origin:Chongqing, China
Price:1500-4500
Supply Ability:200sets per month
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Location: Chongqing Chongqing China
Address: Room 2-11,No.50 Yunhan Road,Chongqing China
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Product Details

High-Performance Sapphire Watch Case With CZ Method Grown Sapphire


PropertySpecifications
Thickness0.5-200mm
Size Tolerance±0.01
Edge FinishGround and beveled
Surface Quality40-20 scratch-dig
Surface Flatnessλ/4@633nm
Parallelism≤3 arc min(≤0.9mrad)
Clear Aperture>80% of central diameter
Hardness(Knoop)1370 kg/mm2
Young's modulus3.4*1011N/m2
Thermal Limit22W/m/K
Thermal expansion coefficient8.4*10-6/K


FATURES


1. High mechanical strength: the permeable infrared window material should have sufficient strength to withstand the high-speed movement of the speed pressure load;


2. Good thermal stability: the permeable infrared window material should be able to withstand the temperature shock caused by pneumatic heating and height changes, transmission ratio and refractive index should not change significantly with the change of temperature;


3. Good chemical stability: through infrared window material exposed to air, should be able to prevent the atmospheric salt solution or corrosion gas corrosion, and not easy to moisture;


4. High optical transmission rate, must be able to effectively transmit ultraviolet to medium infrared radiation;


5. Good optical characteristics, small optical scattering and good uniformity of refractive index;
Meets large window requirements.


Why US?


1. We’re the rare source manufacturer of color sapphire boule, and the most professional factory of sapphire processing, especially the special watch case.

2. We have our own sapphire grown equipent with CZ and KY method.

3. Professional customized production according to the drawing provided by clients.

4. Precision work of sapphire processing and polishing.

5. Experienced technicians and skilled workers.


FQA

1. Are you a trading company or factory?

We are a professional factory of sapphire products, also a trading company .


2. Can you do customized products?

Yes, we specialized in customized production or OEM work.

CAD,3D drawing are needed.


3. Could you provide samples?

Yes, we could provide samples with a charge, but if you place the order with a quality above 100pcs, the sample charge will be refunded.


4. What’s the delivery time?

It depends on the type of products and the quality.

For watch case, the regular time is around 5-8 weeks for 200pcs according to the difficulty of the processing.


5. How about the payment?

T/T payment is prefered.


6. How about the delivery?

Mostly by air, like DHL, Fedex.


China High Performance Sapphire Watch Case With CZ Method Grown Sapphire supplier

High Performance Sapphire Watch Case With CZ Method Grown Sapphire

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