Siegwerk, a global provider of printing inks and coatings, has partnered with DG press, a specialist in manufacturing hybrid web offset sleeve machines, to produce functional mono-material packaging structures for food applications. The collaboration aims to showcase the efficient production of mono-material food packaging with an oxygen barrier.
Siegwerk’s coating innovations, Cirkit® OxyBar BC 1582 and Cirkit® Heatguard 2K Overprint Varnish, are key components in achieving the required barrier properties. These coatings are applied in one pass, in line with printing and varnishing, using DG press’ hybrid web offset printing press.
Cirkit® OxyBar is an oxygen barrier coating that ensures a prolonged shelf-life for dry food packaging applications. It can be applied on both flexo and gravure presses at industrial machine speeds on various substrates, providing excellent transparency. Cirkit® Heatguard, on the other hand, offers heat-resistant lacquers that perform well on high-speed FFS (Form, Fill, and Seal) lines with mono-PE structures, boasting excellent rub and scratch resistance.
Lothar Schaeffeler, Technology and Innovation Expert at Siegwerk, emphasizes the importance of collaboration along the packaging value chain to drive the development of new circular packaging solutions. He states, “Together with our partners, we can make mono-material packaging a reality and set new standards for the future of packaging.”
The collaboration between Siegwerk and DG press demonstrates how printable coatings can create the functional properties required for mono-material food packaging. Additionally, it highlights how the modularly designed hybrid web offset printing presses of DG press can produce such packaging structures in one pass with at least one functional barrier coating in line.