What is sandwich printing?
Sandwich printing is a layered printing technique on transparent labels. It simulates printing on the adhesive side of the label and is mainly used on transparent bottles, allowing the graphics placed inside to be seen through them. This particular effect is made possible by a front label packaged in transparent PP film, which generates the effect known as No-Label-Look. Alternatively, it is made with a precise cut made within the front label, which allows a clear view inside the bottle. See as demonstrated on the left.
Using digital printing technology, sandwich printing creates an inimitable effect on your roll labels, telling the story of your product with authenticity. In fact, you can enhance your sandwich labels with different finishes, such as hot stamping, on both sides. You will be able to select any color for the foil visible from the front, while on the inner side only a silver-coloured foil is available.
This printing technique is especially popular in spirits labels.
How is sandwich printing accomplished?
We will try to illustrate the implementation of sandwich printing in detail through our sample label, (winner of the 2018 HP Inkspiration Award in Germany):
- The front label is processed with a No-Label-Look effect on a transparent PP film.
- On the back label, the sandwich printing technique has been implemented: two layers of four-colour printing are separated by a layer of opaque white (HPI-White) printed several times. Please note: Depending on the desired design, layers of white may not be fully opaque. Please contact our customer service department at etichetta.it for detailed advice regarding the potential and limitations of sandwich printing.
- Looking through the front label, the cage made of hot-stamped gold appears to trap the visible bird in the inner part of the back label. On the other hand, the outer part of the back label features a completely different graphic that conceals the printed bird using the sandwich printing technique
For more details or questions, please feel free to contact our customer service at etichetta.it.
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