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1100MM * 50M Solar panela EVA film For DIY Solar Panel Encapusulnat solar eva

1100MM 50M Solar panela EVA film For DIY Solar Panel Encapusulnat solar eva
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1100MM 50M Solar panela EVA film For DIY Solar Panel Encapusulnat solar eva
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Price:  US $198.00 / lot
Sale price:  US $178.20 / lot


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1100MM * 50M Photovoltaic Solar Cells EVA Sheet For Home Solar Panel Encapsulation

Product Introduce: EVA film for solar cells, crystalline silicon cells, thin film photovoltaic cells and other components within the packaging material. The content of 30% -33% of the EVA resin as main raw material, made through a special process, with strong bonding, high light transmission, anti-aging characteristics. ​ Feature : 1)Excellent durability, such as weather resistance, high temperature and high humidity resistance, UV light resistance. 2)Excellent light and transmittance and transparency. 3)Inactivation and harmless in solar cell during processing. 4)Have a high cross linking rate after lamination. 5)Good encapsulating property. Technical Description:

Item Unit Test method Fast Cure
Adhesive strenhth glass N/cm ASTM D903 ≥70
Adhesive strenhth BBF N/cm ASTM D904 ≥70
Shrinkage Ratio on the glass Machine direction % ASTM D1204-05 ≤3.0
Crossing direction % ≤2.0
Shrinkage ratio on the backsheet Machine direction % ≤3.0
Crossing direction % ≤2.0
light Transmittance % ASTM D1003 ≥91
Gel Content(150,30min) % ASTM D2765 75~95
VA Content % TGA 28~33
MFR g/10min ASTM D1238 30.5
Melting Point ASTM D3417 60
Water-absorbing Ratio % ASTM D570 ﹤0.1
Hardness shore A ASTM D2240 70
Refraction Rate / ASTM D542 1.492
Specific Heat J/℃,g ASTM C351 2.32
Density g/cm3 ASTM D1506 0.95
UV Cut off Wavelength Nm / 360
Volume Resistivity Ωcm ASTM D257 3.0 x 10​13
Breakdown Voltage kv/mm ASTM D149 22.2
Tensile strength Mpa ASTM D882 16.8
Elongation Ratio % 958.98
Tensile modulus Mpa 10.49
UV-aging(UV,1000h) Yellowish index YI ASTM G154 ≤3.0
Transmittance change % ≤1.0
Damp Heat(85%RH,85oC 1000h) Yellowish index YI IEC68 ≤3.0
Transmittance change % ≤1.0

Laminating Process:

Laminating: laminate the glass, EVA film, connected silicon cells, EVA film, TPT backsheet foil in sequence. Vacuum pumping: Place above laminated pieces into the lower room of the double-vacuum press. Then the upper room and the lower room are vacuumed synchronously about 6min. Heating: the upper and the lower room are kept vacuum, meanwhile heat the laminated pieces. Press: Laminated pieces are heated under 135°C-140°C conditions, the upper room cancel vacuum and get back to atmospheric pressure. At that time the lower room is still kept vacuum, that is to say, the upper room press on the laminated pieces of the lower room. Curing: Isothermal curing under the curing temperature. Cooling and framing: After isothermal curing, cancel the vacuum of the lower room, open the top of the press, and take out the laminated modules. Then cut off the extra EVA of composite lamination edge. Moreover seal frame and equip the termainal box, assemble PV modules at last. Caution during laminating: 1, to ensure a constant temperature and humidity in the storage room and use of EVA film, 2, To avoid static electricity generated in the cutting process, the proposed installation in addition to static devices. Staff are required to wear dust-proof clothing and a dust cap, to avoid head EVA film on the hair off to using skim gloves. 3, cut into a sheet of EVA film to be sealed to prevent dust, gloves and other fibers and other foreign matter contamination. 4, In addition to the workshop should be equipped with mosquito device to prevent mosquito pollution diaphragm. 5, In order to facilitate the laying of pumping air bubbles and stick with the cells, place the frosted side facing cells. 6, It is recommended near the paper tube around each roll and do not use the outermost circle. Product Storage: Products must be stored indoors, the temperature control in the range of 0 °C -30 °C, relative humidity below 60%, away from heat and dust, avoid direct sunlight. Lossless out of the box should be checked before packing. Out of the box, the product should be used as soon as possible, is not used up part of the package must be resealed. Stored no longer than six months from the date of production is best used within three months Actual photo:

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UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
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N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
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