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Water-based high-reflective ink
Quality Standards (Enterprise standards)
Test Items |
Parameters |
Testing Method |
Typical Reflectivity |
Pass |
76 - 81%@650 nm; normally 78% |
Physical Appearance |
Pass |
Dull White |
Typical Thickness |
Pass |
15-25μm |
Typical Coating Mileage |
According to the actual |
Flooding Coverage : 5-10 sqm/kg Screen Printing: 25-50 pieces/kg |
High-temperature Steaming |
Adhesive level remains same |
Steaming @ 100℃ for 96 hours |
Salt Water Immersion |
Pass |
Immerse in salt solution (50g/lNaCI) @ 35℃ for 100 hours |
Acid Contact Test |
Pass |
In contact with acid solution (3.5% HCI) @ 25℃ for 15 minutes |
Pencil Hardness |
Pass |
≥3H |
Mechanical Test |
≤ Level 1 |
Hundred Grid Method |
POE Bonding Test |
≥60 N/cm |
First TF4 POE Lamination, 1cm Wide Strip Splash |
Water-based high-reflective ink is primarily used for screen printing on the backsheet glass of photovoltaic modules. This type of high-reflective ink refl-ects light back onto the photovoltaic silicon wafer, further enhancing the power generation efficiency of the photovoltaic module. It achieves higher power generation efficiency on the same line.