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    SMD Encapsulant

    Introduction


    This series is two-component silicone encapsulant. S207 / S208 is resin type, while S209 / S210 is rubber type. With high refractive index, air tightness, low permeability for sulfur gas, resistance to reflow, this series is suitable for LED SMD packaging.



    Properties

    Product Name

    F-S207 

    F-S208 

    F-S209 

    Uncured Properties

    Appearance

    A Translucent /
    B Transparent

    A Translucent /
    B Transparent

    A Translucent /
    B Transparent

    Mixed Viscosity mPa?s 

    7000

    5000

    5000

    Cure Condition °C/h

    80/1+150/3 

    80/1+150/3 

    80/1+150/3 

    固化后性能

    Refractive Index @25°C

    1.54

    1.54

    1.54

    Tg 

    53

    49

    35

    Shore Hardness

    45D 

    35D 

    85A 

    Transmittance @450nm %

    91

    91 

    91 

    Linear CTE ppm/K

    220

    220

    225


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