TPt300 BackSheet of Hiuv for Solar Panel

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
20 m²
Supply Capability:
2000 m²/month

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Product Description:

1. Structure of TPt300 BackSheet for Solar Panel

TPt300 BackSheet for Solar Panel is a new generation of backsheet for solar panel, as an important component material of solar panel, new technology helps the backsheet have better performance and wider use.  There is 4 layer`s structure of this series: Thicken PVDF film, binder pet polyester film, Fluorinated weather waterproof layer.

 

2. Main Features of TPt300 BackSheet for Solar Panel

  • With thicken PVDF film, we have better weathering, water blocking performance compare to PVF film(Tedlar)

  • More reliable inner film, easier for reworking.

  • Simple structure makes our BackSheet more reliable, more cost effectiveness.

 

3. TPt300 BackSheet for Solar Panel Images

TPt300 BackSheet of Hiuv for Solar Panel

 

4. TPt300 BackSheet for Solar Panel Specification

Layers of material  

 

Element

Thickness

Properties

Weather proof layer

Thicken PVDF film

43 μm

Weathering &
Water blocking

Binder

Imported  polyester adhesive

10 μm

Adhesive property

Thicken PVDF film

White PET

250 μm

Insulating property \ Mechanical support

Fluoride weather-water-proof layer

FEVE compound

3 μm

Weather proof \ water proof \ strong bonding to EVA

 

 

Testing Item

Testing method

Unit

Specification value

 

Thickness

GB/T 13541-92

μm

305±10

Tensile strengthMD/TD

ASTM D-882

N/cm

MD ≥300

TD ≥300

Elongation at breakMD/TD

ASTM D-882

%

MD ≥100TD ≥80  

 

Heat shrinkage rate (MD/TD)
150
*30min

GB/T 13541-92

 

%

MD≤1

TD≤1

PVDF/PET peel strength

180° peel

N/cm

MD ≥5

TD ≥5

T-layer cross-cut testing

 

GB/T9286-1998

 

level

 

0no drop)

T-layer cross-cut test after 24 hrs boiling

Peel strength with EVA film

180° peel

N/cm

≥40

Breakdown voltage

ASTM D-149

KV

≥17

Partial Discharge

IEC 60664-1

VDC

≥1000

Moisture vapor transmission rate (MVTR)

3890%RH

 

g/day.m2

 

≤2

 

5. FAQ

1. How to choose backsheet for solar panel?
It’s not easy question, but the first but most important thing is that the life period of the solar panel depends on the material quality of the backsheet.

2. If there is some scratches on the backsheet, how to deal with the solar panel?
Firstly, the scratch will destroy the waterproofness of the solar panel through the backsheet, which will finally have bad influence on the performance of the panel,; then the scratches on the backsheet should be regarded as defective and you should contact with the supplier or manufacturer to change it as soon as possible.

3. What is the color that backsheet should be?

Absolutely is white. As time goes by, the corrosion of the backsheet makes the white color into yellow. So make sure when you get the new solar panel the backsheet is in appropriate state.

 

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