Flexible labels, also known as shrink sleeves, allow a creative and revolutionary packaging of bottles, perfumes, cosmetics, drugs and many other products. Since the 70’s this printing substrate vastly changed the way of packaging. It is not only about the aesthetic appeal of shrink sleeves, but also their ability to protect and promote products.
Shrink sleeves are made with a heat-shrinkable material (heat-sensitive). They can be produced in any shapes and lengths, so are adaptable to all types of container.
After printing, these film sleeves are wrapped around their containers (bottles or flexible containers) and fixed through a heat-shrinking process.
Printing on shrink sleeves
The most effective and fastest way to print on shrink sleeves is flexo printing, which uses digital photopolymer or rubber plates with water-based, solvent-based or UV inks. The printing forms are inked by a roller called “anilox”, the surface of which is engraved with very fine cells that transfers the correct amount of ink onto the plate, which then transfers the ink onto the shrink sleeve.
Plates for shrink-sleeve printing
The pre-press process to print this kind of labels requires precise technologies and professional abilities. On the Italian scene, Nu-Maber provides the greatest expertise in this field.
Nu-Maber is also equipped with a laser for the direct engraving of elastomer sleeves to complete the range of the flexo products offered.
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