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Screen Washing Problem

Posted on Tue, 1 Feb 2005 at 11:38

We are new to screen printing and we are printing on CDs using Marabu UV inks. When we wash the screens out, a thin haze is left in portions of the screen. This haze is just thick enough to block the screen. It is also fairly random and ends up blocking about 10 - 20% of the open fabric area.

If we rub on the scren long enough (a couple hours) it eventually comes out. If we then re-use the screen then it washes out normally.

We are using acetone as a washout which is recommended by the rep from whom we purchased the ink.

We are contracting out the screen making to another company who insists its not a problem on their end. If anyone has any suggestions as to what may be causing this I would greatly appreciate it.


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