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LED Ink
707 White LED 
The Photoimageable LED white ink series are most suitable for LED back panel application with its high whiteness, high glossy, and good hiding power depend on board type or requirements, there is different product choice.
| Division | SPI-707 WHITE □ | |||
|---|---|---|---|---|
| LF□ | NL | LT-□ | L1 | |
| Viscosity(25˚C, VT-04F) | 150~300 PS | |||
| Reflectance (@460nm, 20㎛ on CU) |
79~84% | 83~85% | 82~84% | 84~86% |
| ΔE(280˚C X 3min X 3times, in Convection oven) |
＜3 | ＜2.0 | ＜3 | ＜1.7 |
| Pre-Curing | 78˚C X 20min (One side) | |||
| Photo Exposure | 400~700 mJ/cm2 | |||
| Post-curing | 150˚C X 60min | |||
| Pencil hardness | ≥ 4H | ≥ 5H | ||
| Coating Thickness (after post-curing) |
10~18㎛ | 13~25㎛ | ||
| Resistance to molten solder | 260˚C X 10sec , 3times | |||
| Acid Resistance (10Vol% H2SO4, 20˚C) |
≥ 30 min | |||
| Alkali Resistance (5wt% NaOH, 20˚C) |
≥ 30 min | |||
| Surface Resistance (40˚C, 90% RH, 240hr) |
≥ 1 X 1013Ω | |||
| Shelf life(20℃ in a dark Place) | 6 months | |||
| Major Features | Flexibility | High reflectance | High performance Properties |
Non-discoloration |
* Packing Unit : 1, 4 Kg
IR UV LED
SCR-1000 W LED is most suitable for LED back panel application with its high whiteness, high glossy and high hiding power.
SUR-900 White LP& LED is improved for adhesion. It is UV curing solder resist that has a minimal discoloration and excellent whiteness.
| Division | SUR-900 White □ | SCR-1000W | |||
|---|---|---|---|---|---|
| Specification | LP(1st Printing) /LED (2nd Printing) |
LP(1st Printing) /LED(N) (2nd Printing) |
LE (1st Printing) |
1000W | 1000 WHITE(N) |
| Viscosity(25˚C, VT-04F) | LP : 60~150 LED : 80~150 |
200~400 | |||
| Reflectance(@460nm) -IR : 20㎛ on Cu -UV : 1st 10㎛/ 2nd 15㎛ |
72~78% | 81~83% | 82~84% | ＞90% | ＞90% |
| ΔE(280˚C X 3min X 3times, in Convection oven) : Non-Discoloration |
＜4 | ＜2.5 | ＜2.5 | ＜1 | ＜1.5 |
| Curing Type | UV Curing (1000~1500 mJ/cm2) (Mercury lamp 80W/cm, 3lamp) |
UV Curing & 150˚C X 10min |
150˚C X 60 min | ||
| Pencil hardness | ≥ 4 H | ≥ 5 H | |||
| Resistance to molten solder | 260˚C X 10sec , 3times | ||||
| Shelf life(20˚C in a dark Place) | 6 months | ||||
| Major Features | Excellent workability | High reflectance Non-Discoloration |
Easy process | High reflectance | Flexibility |
* Packing Unit : 1, 4 Kg
