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Ensinger PEI

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Lushan EV1050G2 EVA Film for Encapsulating Solar modules, High Transmittance
Categories: Polymer; Film; Thermoplastic; Ethylene Vinyl Acetate; Ethylene Vinyl Acetate Copolymer (EVA), Film Grade

Material Notes: EVA film for encapsulating solar modules Lushan EV1050G1 is mainly used for PV module encapsulation. It’s based on an ethylene vinyle acetate (EVA) copolymer and supplemented by special Chemical Accessories. EVA film for encapsulating solar modules Lushan series could effectively protect to the PV cell, and has excellent performance of transmittance and ageing-resistant. It provides structural support, electrical isolation, physical isolation/protection, and thermal conduction for solar circuits, as well as to maximize the service life of solar module. Solar EVA Film Characteristic:
  • High volume resistivity and lasting adhesion strength holding capacity, and insure PV modules have long service life
  • Low yellowness index change and low light transmittance attenuation, insure the high service efficiency of PV modules
  • Excellent compatibility with flux, welding ribbon, location tap, backsheet and silica gel
  • Solar EVA film quality stability ensured by the complete and scientific quality management system.

Information provided by Lushan

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Physical PropertiesOriginal ValueComments
Density 0.950 g/ccISO 1183
Water Absorption <= 0.10 %ISO 62:2008
Melt Flow 17 - 27 g/10 minASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 15.0 MPaISO 527-3
Elongation at Break >= 500 %
Tensile Modulus 5.00 MPaYoung's; ISO 527-3
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+14 ohm-cmASTM D150
 
Thermal PropertiesOriginal ValueComments
Melting Point 65.0 - 75.0 °CASTM D148
Shrinkage, MD 0.00 %
@Temperature 120 °C,
Time 180 sec
Q/LSXC
Shrinkage, TD 0.00 %
@Temperature 120 °C,
Time 180 sec
Q/LSXC
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.49ISO 489
Yellow Index 5.6 %
@Time 0.000 sec
after heat and humidity aging (85°c, 85 RH%)
 5.8 %
@Time 0.000 sec
 5.9 %
@Time 2.88e+6 sec
 5.9 %
@Time 2.88e+6 sec
after heat and humidity aging (85°c, 85 RH%)
 6.0 %
@Time 3.24e+6 sec
after heat and humidity aging (85°c, 85 RH%)
 6.3 %
@Time 3.60e+6 sec
 8.0 %
@Time 7.20e+6 sec
 8.2 %
@Time 7.20e+6 sec
after heat and humidity aging (85°c, 85 RH%)
UV Transmittance >= 91 %ASTM D1003
 
Descriptive Properties
Surface UncuredOne Side Embossed
Thickness Tolerance±0.02Q/LSXC

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