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Solar Diy Cells Panel Cell Electronic Eva Happy Encapsulation Lamination Customer Film 810mm Oneida Rush Rating: 4.8 out of 5
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NOTE:
! if you hope that EVA film adopts roll packaging not fold,please choose commercial express DHL, UPS,Fedex, EMS, TNT shippping !------!! becausethe length limit of Post transport cant be more than 60cm !!AliExpress standard shipping also belongs to Post transport !! 810mm x 1m Photovoltaic solar cells EVA film sheet forHome Solar Cells Panel Encapsulation
Product IntroduceEVA 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.Feature1)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 1013 | |
| 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 laminating1, 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 monthsReal Application
Return Policy
If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.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.
Seller Service
On-time Delivery: If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).Solar Diy Cells Panel Cell Electronic Eva Happy Encapsulation Lamination Customer Film 810mm
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