Hi,
I'm completely new to making my own screens (although not new to screen printing).
I've purchased a Chinese vacuum LED exposure unit, and some Ulano Proclaim EC emulsion. Maybe this was a terrible idea, I don't know.
I don't have much info on the exposure unit. It's just big enough to do a 20x24 screen, has 160 UV LEDs in it, as 8 rows of 20 LEDs at (apparently) 10W each row. No idea what wavelength light they give off.
I'm planning to do a test exposure to determine the proper exposure time, but I was wondering if anyone can suggest roughly how long exposure might take, so I know where to start with testing? I know it's going to be a total guess due to the lack of info about the unit, but am I looking at a few seconds or several minutes? Any other advice before I start?
Thanks,
Jamie
Advice for burning my first screen??
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