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  • 4 Tips to Prevent Pinholes and Fisheyes

    Fisheyes occur when oils and chemicals are left on your screen after the reclaim process. They appear when oil becomes trapped under the emulsion, separating it from the mesh and leaving small holes on the covered screen. Often, these are the culprit of fingerprints.

    Pinholes are little holes that pop up on your exposed screen when dust or lint get on your mesh before coating or from when grime is left on your exposure unit glass. For example, if dust or debris is on your screen when you apply emulsion, pinholes will appear. You can usually detect them by holding the screen up to a light source and looking for light holes.
    You’ve coated a screen for screen printing, exposed it, and rinsed it out. You might notice tiny holes in the screen where there shouldn’t be. Why is this? In this video, Ronald Peters touches on why pinholes and fisheyes happen, and gives tips to stop them before they cause problems on your screen.  WHAT ARE FISHEYES
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