Owing to possible differences of employed exposure and treating equipment etc., mentioned above exposure and development are to be considered only as an indication in helping the operator.
GUIDE LINE FOR SEIL PS PLATE POSITIVE
1. Length of run
Machine |
High quality paper |
Low quality paper |
Sheet feed |
About 180,000 copies |
About 50,000 copies |
Web feed |
About 80,000 copies |
About 50,000 copies |
| Employed conditions such as machine, paper, ink, humidity, chemicals may affect the result of impression. | ||
2. Exposure Condition
Light |
Distance |
Time |
Remark |
3 Kw |
1 m |
50 5 sec |
3-4 step clear (Fuji step table) |
4 Kw |
1 m |
30 5 sec |
3-4 step clear (Fuji step table) |
| Metal halide or high pressure mercury lamps are suitable. PS Plate should be treated under safety yellow light. | |||
3. Development Condition
Temperature |
Contact time |
Capacity |
Life time |
26 5 C |
23 5 sec |
3m2/ liter |
2 days |
| Automatic processor is recommendable. User may dilute the developer on his ratio. (1:8 standard) | |||
