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Solar Backing Base Film Series

● Product name: Solar battery back sheet base film ● Product model: TF11
● Product specifications

Conventional thickness

width

Core diameter

125 ~ 250μm

≥500mm

Φ76.2 or 152.4mm

● Product performance characteristics:
☆ translucent, with good dimensional stability;
☆ Excellent mechanical properties, heat resistance and electrical insulation properties;
☆ Low water vapor transmission rate;
☆ Good composite processing performance;

● Product performance parameters

project

unit

Indicator typical data

Test basis

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

Tensile Strength

MD

Mpa

≥170

≥160

≥150

≥140

GB / T 1040.3-2006

TD

≥170

≥160

≥150

≥140

Elongation at break

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 tension (double-sided)

mN / m

56

56

56

56

GB / T 14216-2008

PCT (2kg steam pressure)

hr

≥60

≥60

≥60

≥60

-

Water vapor transmission rate

g / (m2.24h)

≤2.5

≤2.0

≤1.8

≤1.5

GB / T 1037-1988

Power frequency electrical strength

V / μm

≥105

≥90

≥80

≥65

GB / T 12802.2-2004

Partial discharge voltage

VCD

≥710

≥750

≥810

≥1000

IEC 60664-1-2007

Address: No.8 Tongtian Road, Jiangning Science Park, Nanjing, Jiangsu Province. Nanjing Lanpucheng New Material Co., Ltd. Tel: 025-57902885 Fax: 025-57902889 Mobile: 13770598585 Contact: Ye Wei Page All rights reserved Website Construction : Coma Technology