How to Prevent Dirty Background and Flying Foil
Dirty background and flying foil happen when metallic marks appear outside the intended stamped design. This problem is especially visible on clean white boxes, cosmetic packaging and luxury gift boxes. ## Common Causes The process setting may be too strong. Excessive temperature, too much machine force or long contact time can make the foil transfer beyond the intended edge. A foil grade that releases too easily may also create unwanted marks around fine details. Static and cleanliness are also important. Dust on the paper, foil path or stamping plate can create random metallic specks. Dr…