Originally Posted by
matt romanowski
I am having the same problems as you for the last week. I didn't try thinning at all today and think I found out what is going on. I believe the bubbles are from solvent popping. That is when the solvent starts to evaporate in the middle of the film but can not get out because the surface has already evaporated. I'm guessing your in the Northern part of the country where the humidity is pretty low right now?