Non Warping Glossy Black Polyimide Film

glossy black polyimide film Glossy black polyimide film is homogenous opaque film, with glossiness achieving data 115 so so, own good mechanical, chemical, thermal performance. Specification(thickness): 1mil-2mil character: Good shielding Non warping Uniform color Heat resistance Flame retarding...
    Product Details

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    HL black polyimide film is homogenous opaque film, with glossiness achieving data 115 so so, own good mechanical, chemical, thermal performance.


    Specification(thickness): 1mil-2mil


    character:    

    Good shielding

    No warping

    Uniform color

    Insulation

    Heat resistance

    Flame retarding

    Halogen-free,environment-friendly


    Application:

    High temperature tape, label

    FCCL


    Available thickness: 1mil,2mil

     

    Technical requirements for polyimide film

    1. appearance: smooth surface , no particles, bubbles and pinholes and impurity defects, edge neatly.

    2. width is 520mm, splitting is available

    3. thickness tolerance ≦±10%


    No

    Item

     

    Unit

    Index Value

    25

    50


    1

    Tensile strength

    MD

    MPa

    ≥120

    TD

    80

    2

    Elongation rate

    MD&TD

    %

    30

    3

    Glossiness

    MD

    GU

    100

    TD

    GU

    100

    4

    Electrical strength48-62HZ

    kV/mm

    ≥15

    5

    Volume resistivity

    200

    Ω. cm

    ≥1.0×1015

    6

    Surface resistivity200

    Ω

    ≥1.0×1013

    7

    Relative dielectric constant


    ≤4

    8

    Dielectric loss factor48-62HZ


    ≤0.012


    Process:

    After completion of formula,the materials begin to polycondensation,flowing into resin storage,casted by casting machine,scrolling into imine furnace for complete drying,tension and imidization,and beginning to wind. After winding, start to strimming side or slitted as clients' demanding. Then the coil must be during corona treated and post-processed for good performance.


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