Test Items

Unit

Test Standard

Standard value

Thickness tolerance

---

GB/T6672-2001

25-30

Tensile strength

MPa

ASTM D 882-2002

>30

Elongation at break

%

ASTM D 882-2002

>100

Heat shrinkage 150℃×30min

%

ASTM D 1204-2002

<1.5

Fire resistance

UL-94

VTM-0

Breakdown voltage

KV

ASTM D 149-1997

≥3

Water vapor permeability 38℃100%R.H

g/m2•d

ASTM F 1249-2006

GB/T 26253

≤60

Damp-heat treatment

(85℃×85%RH,2000h)

IEC 61215/ GB/T 9535

No bubble, no separation, no crack and significantly sticky

UV treatment (60kWh.m2) Δb

-

IEC 61345/ GB/T 9535

≤3

Hot and cold cycle processing

(-40℃~85℃,6h/cycle.400cycle)

IEC 61215/ GB/T 9535

No bubble, no separation, no crack and significantly sticky

Wet frozen processing

After 50 times Hot and cold cycle

(-40℃~85℃,24h/cycle.20cycle)

IEC 61215/ GB/T 9535

No bubble, no separation, no crack and significantly sticky