Hingst’s Sign Post: Premask Puckering on Screen Printed Graphics

Sign Builder Illustrated Columnist Jim Hingst writes: “A number of factors can cause puckering and tunneling of a premask or application tape laminated on a screen printed vinyl graphic. These factors fall into three broad categories: environment, material processing, and product selection."

“Controlling your plant environment and your processing are certainly important. High humidity causes many tunneling and puckering issues. When the humidity is high, the paper tape absorbs the moisture and it grows, resulting in the tape pulling away from the printed vinyl. Problems can also occur when a plant changes from air conditioning to a heating cycle.”

To read more, check out his “Hingst’s Sign Post” blog.


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