Laminating Foam Sheet

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Sometimes it is hard to troubleshoot lam adhering to the foam sheet, for instance when you have bubbles within the sheet it is suggested that you have to much heat and your over heating it. Then when you have wrinkles you are under heating the sheet. The laminating rollers on the machine could be dirty low on fluids or the nip pressure could be to high. Again I was asked what is a good temperature setting for the laminating cylinder? Suggesting your using 60/40 virgin/regrind foam resin, @ .55 thousands, and around .003 thousands high impact polystyrene you have good gauge control I would run top roller @ 160/180 degrees with a bottom temp. @ 45 degress with a line speed of 125 fpm. let me know if this is any help.