OK, so I coated like 10 screens maybe a month ago and had them sitting in my attic in a black plastic bag which light cannot get through. However, the temp up there usually gets around 90 to 100 degrees. I tried to print 2 screens today and the emulsion on them is already hard as a rock as I just went and tried to pressure wash one without burning it. Could the heat have caused the emulsion to harden? Any feedback would be appreciated. Thanks!
storage after coating question
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Yes, depending on your emulsion, heat will play a factor in keeping the emulsions integrity. Usually wanna keep them below 90 if poissible.
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Chromablue should never exceed 110F or it cross links the emulsion without exposure. Your attic on 60-70F day will easily exceed that in most cases.
I run my dry box at 100F for dying on all emulsions. 2 trash bags will block out all light and can be stored anywhere indoors. This is how I stored dry screen when I started. I would coat at night and dry screens on press with heads in a level position with air circulation and a dehumidifier in the same area. Then after totally dried 1-2 hrs I would stick in bags and do 4 more.
I run my dry box at 100F for dying on all emulsions. 2 trash bags will block out all light and can be stored anywhere indoors. This is how I stored dry screen when I started. I would coat at night and dry screens on press with heads in a level position with air circulation and a dehumidifier in the same area. Then after totally dried 1-2 hrs I would stick in bags and do 4 more.
ok thanks!!! Yea it is pretty hot up there and didn't take the heat into consideration as it was my first time storing them up there. Yes I have used chromablue plenty of times and when I was storing them in a closet, they were fine.
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