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SHANGHAI FAMOUS TRADE CO.,LTD
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Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity

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Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity

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Brand Name : zmkj

Model Number : square white

Place of Origin : CHINA

MOQ : 3PCS

Price : by case

Payment Terms : T/T, Western Union

Supply Ability : 500pcs per month

Delivery Time : 4-6weeks

Packaging Details : standard plastic case

Material : Doped Sapphire crystal Al2O3 crystal

Color : Blue or white

size : customzied

surface : polished

character : wear-resisting

Purity : 99.99%

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Blue/ Green/ Pink/ Red/ White Sapphire single crystal watch glass case/ Sapphire optical glass for watch lens

Color Sapphire Glass

Synthetic sapphire is transparent single crystal 99.99% pure Al2O3 that exhibits a unique combination of physical, chemical, electrical and optical properties: high thermal conductivity, high strength and scratch resistance, hardness (9 on the Mohs scale), transparent in wide range of wavelength, chemical inertness.
High crystal perfection, low reactivity, and appropriate unit cell size make sapphire an excellent substrate in the semiconductor industry for blue light-emitting diodes (LED).
Since Nobel Laureate in Physics Shuji Nakamura used the sapphire substrate in 1990s for LED, the demand of sapphire crystal has been growing rapidly.

It drives development of new markets like general lighting, backside lighting in TV-sets, displays, consumer appliances, aerospace and defense, and other applications

The Advantage of Sapphire Crystal Glass

- High hardness - 9H
- Scratch resistance

- Abrasion resistance
- High mechanical strength
- High temperature resistance
- Good thermal stability
- High optical production rate

Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity

Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity

Properties of sapphire

Physical
Chemical formula Al2O3
Density 3.97 g/cm3
Hardness 9 Mohs
Melting point 2050oC
Max. use temperature 1800-1900oC
Mechanical
Tensile strength 250-400 MPa
Compressive strength 2000 MPa
Poisson's ratio 0.25-0.30
Young's Modulus 350-400 GPa
Bending strength 450-860 MPa
Rapture Modulus 350-690 MPa
Thermal
Linear expansion rate (at 293-323 K) 5.0*10-6K-1(⊥ C)
6.6*10-6K-1(∥ C)
Thermal conductivity (at 298 K) 30.3 W/(m*K)(⊥ C)
32.5 W/(m*K)(∥ C)
Specific heat (at 298 K) 0.10 cal*g-1
Electrical
Resistivity (at 298 K) 5.0*1018 Ω*cm(⊥ C)
1.3-2.9*1019 Ω*cm(∥ C)
Dielectric constant (at 298 K, in 103-109 Hz interval) 9.3 (⊥ C)
11.5 (∥ C)

Sapphire Applications
  • Substrates for LED manufacturing
  • Viewports for vacuum/high temperature/pressure chamber of furnaces, semiconductor equipment etc.
  • Watch glasses/Windows for bar code reader
  • Phone, smartphone, smart watch cover screens
  • Polarized windows for LCD projectors/Xenon lamp windows
  • Components for infrared optics
  • Thermocouples protection NMR tubes
  • Tubes for plasma etching process in semiconductor industry
  • HPLH pistons /Light guide for thermometry
  • Dosing and filling pumps in pharmaceutical, cosmetic and food industries.
  • Medical implants/Endoscope lenses

Products Detail
Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity

Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity

Process Step

Sapphire body Sapphire rough shape Sapphire CNC engraving and milling
Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity -------> Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity-------> Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity

Company Information

As a prominent manufacturer and exporter who focus on watches and watchparts R&D, manufacturing and sales, we welcome OEM/ODM orders. Our main products including Watches, Watch Parts such as: case, face, glass, straps, bezel inserts, hands, etc., which are all manufactured by high grade raw material and designed in compliance with high quality standard.
We regard "High-quality, Reasonable prices and satisfactory after-sales" as our tenet, offer clients with not-only top notch products but also best after-sale services. All our products are acclaimed for its durability, stylish look and high performance in this domain. Warmly welcome potential buyers to contact us, and looking forward to establishing long term mutually beneficial relationship with you!.
Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity
FAQ:
Q1: How can I get the price and consult for product details?
A1: Send enquiry via Email, Skype, Wechat or Call us directly.

Q2: What is your main product? OEM/ODM ?
A2:Thermal interface material, Sapphire Glass products, Die cut service for industrial etc.
&OEM/ODM is available. For details, please kindly contact the sales persons.

Q3: What is your service?
A3: 24 hours online service is our promise.

Q4: How is your quality of products and quality guarantee policy?
A2: 100% full test before shipping and 100% compliance with the request of clients.

Q4: What is the payment method?
A3: T/T, Western Union, L/C, Paypal,Etc.

Q5: What is the delivery time?
A5: Normally 20-40 working days after payment received. But it depends on exactly situation.

Q6: What package do you use for the products?
A6: Safe and standard packing for export shipment (PE film cover, kraft paper/bubble bags parcel, and pack into carton or wooden box).

Square Shape Custom Sapphire Watch Crystal Wear Resisting 99.99% Purity


Product Tags:

sapphire crystal watch face

      

custom sapphire watch crystal

      
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