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    Aluminum-plastic film for power
    Aluminum plastic film (for power)
    The 152μm-thick aluminum-plastic composite film is specially designed for automotive power batteries. It has excellent ductility and electrolyte resistance, high composite strength, and excellent packaging performance. The special protective layer still has self-repairing ability after being stretched by stamping and forming, and provides stable and long-term protection for the inner layer of the aluminum-plastic film.


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    Product Features
    l Excellent resistance to electrolyte;
    When the soaking time reaches 72 hours, the composite strength and heat seal strength of the inner layer tend to be stable. The heat seal strength is stable above 55N / 15mm, and the composite strength is stable above 10N / 15mm.
    Heat sealing conditions: temperature 180 ℃, surface pressure 0.4Mpa, time 3s
    Electrolyte resistance test conditions: General-purpose lithium-ion secondary battery electrolyte, temperature 85 ° C.
    l Excellent ductility;
    Note: The design of the test mold will affect the test results.
    l Excellent thickness consistency; A typical batch production test data drawing:
    It is produced using imported high-precision equipment, which provides an excellent basis for its thickness control. Stable thickness consistency is very conducive to maintaining the consistency of the battery's impact resistance and other properties, which greatly reduces the defective rate of the battery due to the unstable thickness of the aluminum plastic film.
    l Purification workshop, online surface scanning system to ensure the superiority of the inner and outer layers of the product.
    10,000-level purification workshop, imported on-line double-sided scanning inspection with a resolution of 0.01mm2, ensuring superior and consistent product appearance.
    l Excellent packaging strength and good retention;
    l It can be applied to the outer packaging of soft-packed power batteries that require safety, good performance, and high-power charging and discharging, such as vehicle power supplies, energy storage components, high-powered unmanned machinery, and electric tools;

    Technical Parameters 




    Test Methods


    Product thickness

    μmGB/T 6672


    Peel strength


    GB/T 1040.3-2006



    Heat seal strength

    N/15mmQB/T 2358-1998≥85

    Electrolyte resistance

    Peel strength

    N/15mmGB/T 8808-1988≥10

    Heat seal strength 

    N/15mmGB/T 8808-1988≥55



    Punching size 98 * 57mm; vertex angle R = 1.5; steel punch

    Puncture strengthNGB/T 10004-2008≥23


    We can produce and slit according to customer's requirements, conventional width 400mm / 480mm.

    The inner diameter of the paper tube is 76mm, and each roll is 250 meters. It is sealed with PE film. Each carton puts one roll, and each pallet holds 30-36 cartons.

    Transportation and storage

    Store in a dry, cool environment, avoid direct light, storage temperature 15 ~ 30 ℃, relative humidity ≤60% RH.

    When transporting, loading, unloading, and handling, you should handle it with care. You must not be struck or scratched by severe impacts or sharp objects, or exposed to sunlight, rain, or contaminated by oil or chemicals.