Product Name:EU307 & ET306 ULTRAFAST CURE EVA FILMS
Product Explanation:
EVA (Ethylene Vinyl Acetate) FILM
For Encapsulating Solar PV Panels
High Tensile Strength
Excellent Transparency
Outstanding Adhesion
UV Protection
Snail Trail Protection
Excellent Weatherability and Long Term Reliability
Technical Specification (Dr. HWC-EU307 - ET306 Ultra Fast Cure)
| Properties | Unit | Test Method | Value | |
|---|---|---|---|---|
| ET306 | EU307 | |||
| Total Thickness ( Tolerance: ±0,05%) | mm | DR. HWC method | 0.40 ~ 0.90 | |
| Total Width | mm | Scale | Up to 1300 | |
| VA Content | % | DR. HWC method | 28 | 28 |
| Thermal Shrinkage (MD) | % | On solar glass (3 min, 125 ºC) | ≤ 3 | ≤ 3 |
| Thermal Shrinkage (TD) | % | On solar glass (3 min, 125 ºC) | ≤ 1 | ≤ 1 |
| Water Vapor Transmission | g/m²/24h | ASTM F1249 | ≤ 5 | ≤ 5 |
| UV Resistance (300 kWh/m²) | ΔYI | ASTM G154 | ≤ 4 | ≤ 4 |
| Humidity and Heat Resistance | ΔYI | ASTM E313 | ≤ 2 | ≤ 2 |
| Thermal Conductivity | W/(m.K) | ISO 2207-4 | 0.27 | 0.27 |
| Shore Hardness | Shore A | ASTM D 2240 | 70 ± 5 | 70 ± 5 |
| Melting Point | ºC | ASTM D3417 | 70 ± 2 | 70 ± 2 |
| Degree of Cross-linking (Gel Content) | % | Soxhlet Method Lamination (10 min,145 ºC) | ≥ 80 | ≥ 80 |
| Adhesion to Glass (With Backsheet) | N/㎝ | ASTM D 903 | ≥ 80 | ≥ 80 |
| Adhesion to Backsheet | N/㎝ | ASTM D 903 | ≥ 80 | ≥ 80 |
| Ultimate Elongation (Cured) | % | ASTM D 638 | ≥ 600 | ≥ 600 |
| Tensile Strength (Cured) | MPa | ASTM D 638 | ≥ 10 | ≥ 10 |
| Optical Transmittance (380nm-1100nm) | % | ASTM E424 | ≥ 91 | ≥ 91 |
| UV Cut-off Wave Length | nm | DR. HWC method | UV transparent | 340-360 |
| Dielectric Strength | kV/mm | ASTM D 149 | ≥ 25 | ≥ 25 |
| Refractive Index | - | ISO 489 | 1.48 | 1.48 |
| Water Absorption (Cured) | % | ISO 62-200805 | ≤ 0.1 | ≤ 0.1 |
| Volume Resistivity (Cured) | Ω*cm | ASTM D 257 | ≥1*1015 | ≥1*1015 |
| Lamination Recipe | ||||
|---|---|---|---|---|
| Lamination Parameters | Unit | First Chamber | Second Chamber | |
| Temperature | ºC | 120 - 130 | 140 - 145 | |
| Vaccum Time | min | 3 - 4 | 3 - 4 | |
| Lamination Time | min | 6 - 8 | 6 - 8 | |
| Pressure | kPa | -70 | -50 |-25 | -70 | -50 |-25 | |
Note 1: Customers can adjust to appropriate lamination parameters according to different equipment or process.
Note 2: It is recommended to use it up within 48 hours after opening of the original packing.
Note 3: These are typical laboratory values that may change depending on the cure conditions as well as the test conditions and methods.