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Topic: stubborn emulsion  (Read 745 times)
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« on: April 08, 2007 08:45:28 PM »

I was exposing my screen and just had a terrible time trying to wash it out.  I exposed it for =~4.5 minutes near sunset, and looking back that was probally a slight over exposure.  To top things off the nozzel on the hose shoots a nice powerful jet of water, but doesn't spread it out like I'm used to.  So after trying for a half hour to wash it out and being foiled I decided to use and old brush with plastic bristles to really just scrub the screen, figuring now or never.  It actually didn't damage the stencil, which was nice, but even with that I just could not get the last bits of emulsion out of the screen.  When you look at it the stencil looks fine, but when you hold it up to the light you can tell that half of the holes in fine areas are still clogged.  The problem areas are parts of the design that have very fine lines, like 1 or 2 pixel at 150dpi thin on the transparency.  Otherwise the exposure was perfect and I'd hate to reclaim the screen only to possibly have the same misfortune befall me again, and I'd hate to alter my bussiness card design, which would have to totally be redone if I can't make this work...

So, and tips, suggestions, insight, as to how I can get those stubborn squares open, or at least be succesful next time I try to make a stencil with very fine detail?

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« Reply #1 on: April 08, 2007 09:02:11 PM »

i know there is a green spray solution that we use at school which breaks it up and makes it much easier to wash but unfortunately i can't remember for the life of me what it is called.
if i think of it i'll let you know, but it might not be a bad idea to google and see if anything comes up since now you know there is something.
sorry i couldn't be more help!

« Reply #2 on: July 02, 2007 11:07:57 AM »

careful, that's probably an emulsion remover used to reclaim your screen! your best bet is probably to reclaim and start over again. are you using the green emulsion or the caramel? because the caramel can be extremely stubborn since it's made to last longer.
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