Product Name:EU408*C* & ET409*C* & ET410*C* (EVA) ACID FREE EVA FILMS
Product Explanation:
This series of EVA films is a fast-curing product, especially suitable for encapsulating TOPCON and HJT solar cells
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Low acid release, active protection for metals, widely compatible with N-type solar cell pastes and HJT solar cells.
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High volume resistivity, excellent anti-PID performance across various solar cells.
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The products have good compatibility with different brands of glass, backsheets, solder tapes, silver pastes and positioning tapes, as well as equipment.
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Wide adhesion adaptability, excellent adhesion with TOPCON/HJT solar cells.
Technical Specification (Dr. HWC-EU408*C* & ET409*C* & ET410*C* Fast Cure)
| Properties | Unit | EU408*C* | ET409*C* | ET410*C* |
|---|---|---|---|---|
| Product Use | / | PERC/TOPCON/HJT | HPERC/TOPCON/HJT | HJT |
| Product Type | / | UV Cut-off | UV Through | UV to Blue light |
| Shrinkage | % | MD≤3.0; TD≤1.0 | ||
| Transmittance (380-1100nm) | % | ≥91 | ||
| UV Cut-off Wavelength | nm | 360nm/380nm(HJT) | UV Through | UV to (400-500)nm |
| Gel Content | % | ≥80 | ||
| Volume Resitivity | Ω.cm | ≥1.0×1015 | ||
| Dielectric Strength | KV/mm | ≥28.0 | ||
| CTI (Comparative Tracking Index) | V | ≥600 | ||
| Adhesion | N/cm | ≥80 | ||
| Tensile Strength | MPa | ≥16 | ||
| Elongation At Break | % | ≥600 | ||
| DH1000h | / | ≤4.0 (TOPCON:EPE+EVA, DH1000h, Double Glass) ≤5.0 (TOPCON:EPE+EVA, DH2000h, Double Glass) |
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| UV Aging | / | ΔYI≤4.0 (120KWh/m²) | ||
| PID Test | % | ≤4.0 (TOPCON:EPE+EVA, PID 192h, Double glass) | ||
Films testing standard according to GB/T 29848-2018, PID test condition: 85°C, RH85%, -1500V, 192h
Recommended Lamination Process
| Lamination Parameters | Single Chamber | Double Chamber | |
|---|---|---|---|
| First Chamber | Second Chambe | ||
| Temperature (ºC) | 140-155 | 130 - 140 | 145 - 155 |
| Vaccum (min) | 6 - 3 | 4 - 7 | 0 - 3 |
| Press (KPa) | -60/-30/-10 | -30~0 | -30~0 |
| Keep Press (min) | 15~10 | 2~6 | 8~15 |
In the actual lamination process, the cross-linking degree reaches the design value and the component yield is high as a guideline, which is adjusted according to the actual working conditions on site.