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EVA solar film
EVA solar film

EVA solar film for solar module. 1.Fast curing 2,Excelent UV, 3,damp and heat resistance, 4,long term performance

EVA solar film for solar cell

The main characteristics of EVA film follows:

1,  Excellent durability, such as weather resistance, high-temperature and high humidity  resistance, UV light resistance.

2,  Excellent adhesion to glass, metal and plastics PET, TPT, Maintaining long term adhesion.

3,  Excellent light transmittance and transparency.

4,  Inactivation and harmless in solar cells during processing

5,  Have a high cross linking rate after lamination.

6,  Good encapsulating properties.

Property

Unit

Value  

Melting Index(before solidifying)

g/10 min

36

Softening Point(before solidifying)

ºC

38

Optical Transmissionafter cure

%

91

Densityafter cure

g/cm³

0.952

Specific Heat

j/ºC*g

2.3

Thermal Conductivityafter cure

W/mk

0.3

Glass Transition Temperatureafter cure

ºC

-30

Ultimate Tensile Strength (after cure)

psi

2620

Ultimate Elongation

%

350

Secant Modulus(1%elongation,23 ºC)

1b/in²

1120

Water Absorption (20ºC 24h)

%

0.1

Gel Content (145ºC 15 min)

%

85

Adhesive Strength

N/cm

70

UV cutoff wavelength

nm

360

Refractive Index

 

1.482

Light resistanceUV irradiation 500hr

%

>90

Heat Resistance (90ºC 1000hr)

%

>90

Low temperature (-40ºC 1000)

%

>90

Damp Heating Test85 ºC,85%, at 1000hours

%

>86

Shrinking Rate

%

<4

EVA solar film

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