Foiled by Foil

Adhesion, or lack of

In order for foil to enhance a package as it should, it needs to stick to the substrate, and the inks and coatings need to stick to the foil. But the make up of most foil and printing materials can make it hard for them to adhere to each other.

Waxes and silicones are used in the formulation of foil release liners and printing inks and coatings, and create adhesion problems. Poor adhesion means foil blistering, pickouts, and voids in the stamped impression—none of these impress customers.