• No.

    Item

    Unit

    Reference standard

    Value

    1

    Nominal thickness

    μm

    GB/T 13542.2-2009

    315

    2

    Thickness deviation

    -

    ±5%

    3

    Width   deviation

    -

    GB/T 13542.2-2009

    +2,-0

    4

    Tensile strength

    MD

    MPa

    GB/T 13542.2-2009

    100

    TD

    MPa

    100

    5

    Elongation at break

    MD

    %

    GB/T 13542.2-2009

    100

    TD

    %

    80

    6

    Heat shrinkage

    MD

    %

    GB/T 13542.2-2009

    0.8

    TD

    %

    ≤0.8

    7

    Coating adhesion

    EVA Side

    -

    GB/T 9286-1998

    0

    8

    Boiling watertreatment

    (boil for 24h)

    Appearance

    -

    GB/T 17748-2008

    No delamination

    no bubble ,no peeling

    Coating adhesion

    -

    GB/T 9286-1998

    0

    9

    Peeling strength with   EVA(Initial)

    Transparent EVA

    N/cm

    GB/T 2790-1995

    ≥60

    10

    Peeling strength with silica gel

    N/cm

    GB/T 1040-2006

    ≥20

    11

    Reflectivity

    %

    GB/T 2410-2008

    ≥55

    12

    Breakdown voltage

    KV

    GB/T 13542.2-2009

    17

    13

    Partial   Discharge

    VDC

    IEC 60664-1-2007

    ≥1500

    14

    DTI

    μm

    IEC TS62788-2:2017

    ≥300

    15

    Moisture vapor transmission rate

    38℃*90RH%

    g/m2•d

    GB/T 21529-2008

    ≤2.0

    16

    PCT aging treatment

    (121℃, 2 ato, 48h)

    △b

    %

    GB/T 13542.2-2009

    △b≤2.0

    Elongation at break≥30%

    17

    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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