I have a lot of Aluminium Composite panels, which were for a project that didn't come off. I'd like to use these panels for laser marking/etching. The panels are two outer layers of painted aluminium, with an inner layer of polycarbonate. The total thickness of the panel is 3mm.
As the panels are already painted will I still need to spray on a product such as Cermark?
Discuss laser machine here freely.
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