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How can I avoid wrinkling?
If wrinkling occurs during the laminating process, it may have the following causes:
- The relative paper moisture of the substrate is too low (should be between 50 % and 60 %)
- At low paper grammages, the grain-direction plays a role (grain-direction should run parallel to the cylinder axis)
- Too much or too little pressure during the laminating process
- In the case of wet lamination, wrinkling may also occur due to excessive glue application