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Trouble washing out emulsion

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Trouble washing out emulsion

Postby ahaaser » Sun Feb 05, 2017 3:16 pm

Hello all!
I am very new to screen printing and just burned my first screen with little success. I am currently using Diazo photo emulsion. I coated my screen and allowed it to dry in the dark for approx days before burning it outside in direct sunlight for 2 minutes. It came out overexposed and when I went to wash it out I was able to remove all of the emulsion except for the outer borders where it was thicker and a few small spots where the actual design was. I have been using Diazo emulsion remover and am not sure where to go from here. At the moment I am working out of a dorm room so everything is very DIY and any advice would be appreciated!
Thanks in advance! -Aidan
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Re: Trouble washing out emulsion

Postby d fleming » Thu Feb 16, 2017 12:39 pm

Google step wedge test. You should also be able to get all info from supplier concerning times exposure distance bulbs etc.
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