Background Film for Solar Cell Encapsulation

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Background Film for Solar Cell Encapsulation

Introduction

Solar cell background film acts as protecting solar cell, most of which is TPT compound film by Tedlar, Polyester and Tedlar with white color. The sunlight and infrared is reflected on it to avoid high temperature of solar module reducing solar energy efficiency. The parameters of our products are as same quality as foreign relative products, which had been proved by state-authority organ.

Characteristics

The film is of anti-agingSolvent resistanceproofdust and Gas-tight with excellent Mechanical properties of polyester. Barrier and low water absorption prevent EVA and solar cell from water, oxygen and Corrosive liquid gas (such as acid rain). Solar module is of aseismetic capability as EVAs Flexibility and TPTs Tenacity improve comprehensive protection role to solar module.

Parameters

 

Index

Parameter

Index

Parameter

Tensile Strength

110 N/10mm

Dimensional stability

3

Elongation

120130%

Water Vapor Permeability

2.0

Tear Strength

135145 N/mm

Breakdown Voltage

17

Peel Strength of Layers

25 N/5cm

Uv xenon light 100h

Not changing color

Peel Strength of EVA Encapsulated

20 N/cm

Life

Over 20 years

Specifications
1Background film (Re-Order No. SS/PV/BF-1):
Structure: TPT
Thickness(mm): 0.180.230.35
Width (mm): 1000
Packing:roll in container

2Background film (Re-Order No.SS/PV/BF-2):
Structure: TPE
Thickness(mm): 0.180.230.35
Width (mm): 1000
Packing: roll in container

Note: 1.The sizes of thickness and width shall be in accordance with the users confirmation.

 

 

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