Solar backplane based film series

Product NameBase film solar battery back
Product Type:TF11
Product Specifications

Conventional thickness

Width

Core size

125~250μm

≥500mm

Φ76.2/152.4mm

Product Features:
Translucent, good dimensional stability
Excellent mechanical properties, heat resistance, electrical insulation properties
Water vapor transmission rate
Good processability compound

Product Features

ITEM

Unit

Specifications Typical

Test Method

Standard thickness

μm

125

150

188

250

GB/T 6672-2001

Density

g/cm3

1.40

1.40

1.40

1.40

GB/T 14335-2008

Transmittance

%

≤65

≤65

≤65

≤65

GB/T 2410-2008

Haze

%

≥90

≥90

≥90

≥90

GB/T 2410-2008

Elongation
 

MD

Mpa

≥170

≥160

≥150

≥140

GB/T 1040.3-2006

TD

≥170

≥160

≥150

≥140

Tensile Strength

MD

%

≥90

≥90

≥90

≥90

GB/T 1040.3-2006

TD

≥90

≥90

≥90

≥90

Heat Shrinkage
150℃30min

MD

%

≤1.5

≤1.5

≤1.5

≤1.5

GB/T 16958-2008

TD

≤1.5

≤1.5

≤1.5

≤1.5

Surface tensionDuplex

mN/m

56

56

56

56

GB/T 14216-2008

PCT(2kgSteam pressure

hr

≥60

≥60

≥60

≥60

-

Water vapor transmission

g/(m2.24h)

≤2.5

≤2.0

≤1.8

≤1.5

GB/T 1037-1988

Frequency electric strength

V/μm

≥105

≥90

≥80

≥65

GB/T 12802.2-2004

Partial discharge voltage

VCD

≥710

≥750

≥810

≥1000

IEC 60664-1-2007

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