Photo board, epoxyd, double-sidedExposure times:30W UV tubes 60 - 90s1000 W halogen 45 - 70s250W Nitraphot 12 - 15 mi500W Nitraphot 6 - 7 miAt a distance of approx.
30 cm and max.
format 150x200, 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