Shenzhen Jadezone Sapphire Optical Co., Ltd.
                                                                                                           
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16 Years
Since 2010
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Plano 90% Transmittance Synthetic Sapphire Watch Crystal

Price Negotiable
Price: 4-10 USD/pcs
MOQ: 200
Delivery Time: 30days
Brand: Unbranded
Product Description

90% Transmmitance Facets Round Flat Sapphire crystal Watch Glass for Watches

 

Why Choose sapphire crystal?

Most sapphire glass found in wristwatches is actually synthetic (man-made) sapphire, rather than the naturally occurring material you may be familiar with. As with acrylic, this isn’t technically ‘glass’, rather, transparent crystallised Aluminium Oxide; usually produced in a laboratory. You will struggle to scratch a sapphire crystal with anything other than a piece of diamond.

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Synthetic Optical Sapphire has no colouration and with a selection of grades of Sapphire available, transmission ranges from 170nm to 6 microns.

 
Production description:
 
Chemical composition
Al2O3
Density
3.98g
bending strength
320-930Pa
Vickrs hardness
1800-2200
optical transmission
>90%
melting point
2050℃
Mohs hardness
9(Next only to diamonds:10)
Bevel
0.1-0.5mm
Coating
upon customer request
Material
Sapphire
Shape
Round, square, rectangle; flat, dome, curve, bridge ,pot Cover shape, etc.
Size
Customized according to customers requirement

 

 

 
Packing&Delivery
About Packing : Stand export carton
About Delivery: DHL/UPS/TNT/EMS/FedEX ,you can choose whatever you like.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Jadezone Sapphire Optical Co., Ltd.
Location 2/F,Building 38,Jiade industry park 888 tongyu Road,Pingshan District,Shenzehn China
Contact Person Cao

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