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Seems like a lot of folks are having problems burning screens lately. I was just thinking that maybe it is the single most difficult task in screen printing.
I remember when I first tried to burn screens outside of my apartment using the sunlight- Jeez what a pain! Couldn't coat my screens smoothly with the proper amount of emulsion.... couldn't find a good spot to dry them, had to wash them out in the bathtub- what a mess! God that episode was horrible! I finally gave up and had a company I used to work for burn a couple of screens for me.
Later I finally built a system that had glass, a vacuum, rubber, and a good light source- voila!
Only serious problem I ever had after that was ultra-high humidity at my mom's house in the room I used to store my sensitized screens.
Like a lot of things in printing, it's just a matter of trial and error. Don't give up and you will eventually conquer exposing screens.
P.S..... It's the vacuum and the light!!!!
I remember when I first tried to burn screens outside of my apartment using the sunlight- Jeez what a pain! Couldn't coat my screens smoothly with the proper amount of emulsion.... couldn't find a good spot to dry them, had to wash them out in the bathtub- what a mess! God that episode was horrible! I finally gave up and had a company I used to work for burn a couple of screens for me.
Later I finally built a system that had glass, a vacuum, rubber, and a good light source- voila!
Only serious problem I ever had after that was ultra-high humidity at my mom's house in the room I used to store my sensitized screens.
Like a lot of things in printing, it's just a matter of trial and error. Don't give up and you will eventually conquer exposing screens.
P.S..... It's the vacuum and the light!!!!