Photo board
Exposure times:
30W UV tubes 60 - 90s
1000 W halogen 45 - 70s
250W Nitraphot 12 - 15 mi
500W Nitraphot 6 - 7 mi
At a distance of approx. 30 cm and max. format 150x200.
Development times: at 25 - 30°C in 25 - 90s depending on how fresh the bath is. With a fresh ammonium persulphate batch of 40 - 50°C: 5 - 10 minutes. Please see our catalogue for more information on exposure and etching times.
