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High Performance Sapphire Crystal Glass Scratch Resistant 1-200 mm Dia

Categories Sapphire Dial Window
Place of Origin: Guangdong, China (Mainland)
Brand Name: tianzhili
Model Number: customized
Price: US $3.00
Material: sapphire crystal, Sapphire
Structure: plano
Shape: customized
Application: optical lens
Surface quality: 40/20
Color: Transparent Clear
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    High Performance Sapphire Crystal Glass Scratch Resistant 1-200 mm Dia


    High Performance Sapphire Crystal Glass Scratch Resistant 1-200 mm Dia


    Product Description


    Property

    Specification

    Thickness

    0.5-50mm

    Size tolerance

    0.02mm

    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



    Company Information

    Our company has a complete ,standardized and scientific quality management system.Characteristic lead the future. Characteristic products and service is the foundation of our cooperation,and we look forward to create brilliant achievements together with you.


    10 IMG_6313


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