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级

8

Boiling watertreatment

(boil for 24h)

Appearance

-

GB/T 17748-2008

No delamination，

no bubble ,no peeling

Coating adhesion

-

GB/T 9286-1998

0级

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