• No.

    Item

    Unit

    Reference standard

    Value

    1

    Nominal thickness

    μm

    GB/T 13542.2-2009

    550

    2

    Thickness deviation

    -

    ±10%

    3

    Width deviation

    -

    GB/T 13542.2-2009

    +2-0

    4

    Tensile strength

    MD

    MPa

    GB/T 13542.2-2009

    ≥500

    TD

    MPa

    ≥500

    5

    Heat shrinkage

    MD

    %

    GB/T 13542.2-2009

    0.8

    TD

    %

    ≤0.8

    6

    Coating adhesion

    EVA Side

    -

    GB/T 9286-1998

    0

    7

    Boiling watertreatment

    (boil for 24h)

    Appearance

    -

    GB/T 17748-2008

    No delamination

    no bubble ,no peeling

    Coating adhesion

    -

    GB/T 9286-1998

    0

    8

    Peeling strength with EVA(Initial)

    Transparent EVA

    N/cm

    GB/T 2790-1995

    ≥60

    9

    Peeling strength with silica gel

    N/cm

    GB/T 1040-2006

    ≥20

    10

    Reflectivity

    %

    GB/T 2410-2008

    ≥80

    11

    Breakdown voltage

    KV

    GB/T 13542.2-2009

    17

    12

    Partial Discharge

    VDC

    IEC 60664-1-2007

    ≥1500

    13

    DTI

    μm

    IEC TS 62788-2:2017

    ≥300

    14

    Moisture vapor transmission rate

    38℃*90RH%

    g/m2•d

    GB/T 21529-2008

    ≤2.0

    15

    PCT aging treatment

    (121℃, 2 ato, 48h)

    △b

    %

    GB/T 13542.2-2009

    △b≤2.0

    Elongation at break≥10%

    16

    Damp Heat (1000h)

    UV Aging (120kwh)

    Thermalcycle(200)

    Humidity-freeze (10)

    外观

    △b

    IEC 61215-2005

    No brittle fracture, blistering,

    delamination

    △b≤2.0


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