Process | Conditions | |
---|---|---|
Stir Mixing | Main agent: 80/hardener: 20 (weight ratio) | 20min |
Hold time | 15min | |
Coating | 90~120 mesh | 30~35mm(wet film) |
Hold time | 15min | 10~20 min |
Pre-cure | One side each coating backing: First side: hot air convection oven (70-75/15~20min.) Back side: hot air convection oven(70-75/25~30 min.) Both side simultaneous coating backing: Hot air convection oven(70-75/30~45min.) |
70-75/20 + 5 min 70-75/30 + 5 min 70-75/30~45 min |
Exposure | 400 + 50 mj/cm2(lightgreen, yellow) 550 + 50 mj/cm2(blue,red and dark green) 600 + 50 mj/cm2(white) 900 mj/cm2(black) |
11 step~21 step (Kodak No. 2) |
Hold time | 10 min | 10~20 min |
Development | Aqueous alkaline solution: 1 wt% Na2CO3 Temperature of developers:32 Spray pressure: 2.5 kg/cm2 Developing time: 60 seconds |
32+ 1 2.0~30 kg/cm2 60~90 seconds |
Rinsing and dry | Temperature of rinsing water:25 Spray pressure:2.0 kg/cm2 Rinsing time:45 seconds |
30 1.5~205 kg/cm2 45~60 seconds |
Post cure | Hot air convention oven:a. 150/60min b.150/60min150ˆ/60min |
(NONE PLUG IN) (PLUG IN) |