Tensile-strength

MD(MPa)

≥126

GB/T1040.3-2006

TD(MPa)

≥128

GB/T1040.3-2006

Break elongation

MD(%)

≥130

GB/T1040.3-2006

TD(%)

≥63

GB/T1040.3-2006

Peel strength of layers

N/cm

Can't peelable

GB/T8808-1988

EVA-Peel strength

N/cm

≥30

GB/T8808-1988

Item

Spec,μm

Unit

Value

Standard

Breakdown voltage

——

KV

≥20

ASTMF-1249

Partial discharge

200

VDC

≥712

IEC61730

300

VDC

≥1070

IEC61730

350

VDC

≥1200

IEC61730

Item

Unit

Value

Standard

Water vapour

Permeability

FPF

g/·d

≤2.0

GB/T1037-

1988

Temperature/

humidity(85°C,

1000h

YI

--

≤6

——

Mechanical strength decrease

%

≤10

——

Layer stripping

N/cm

≥4

GB/T8808

EVA adhesion

N/cm

≥40

GB/T8808

Dimension stability(150°C,

30min)

MD(%)

≤1.0

GB/T10003-

2008

TD(%)

≤0.5

GB/T10003-

2008