siegwerk, one of the world's leading suppliers of printing inks and coatings for packaging and labels, and Enplater Group[Company Name], a specialist in the printing and production of rigid and flexible packaging, has developed an innovative solution for single-material polypropylene (PP) container which offers high technical performance and total recyclability.
Thanks to close collaboration between the technical and R&D teams of both companies, the partners conducted exhaustive tests under real production conditions, generating practical information that allowed them to optimize the new structure of High-barrier mono-PP bag for food packaging.
"As the packaging industry moves towards circular solutions, collaboration across the value chain is essential to driving innovation," he said. Javier García, Iberia's sales and technology director. "By combining our advanced ink and coating technologies with Enplater's specialized converting expertise, we have developed a mono-PP bag that offers comparable performance to existing multi-material barrier solutions, while optimizing material efficiency to meet the stringent Design for Recycling requirements of the upcoming PPWR regulation."
As part of the project, several key Siegwerk technologies were used, including CIRKIT OXYBAR WHITE, a combined oxygen barrier and white ink technology applied inline in a single step. This enables the transition from PVdC, metallized mixed materials (such as met-PET and met-OPP), and EVOH-based structures simply by replacing the standard white substrate, introducing a new level of inventory flexibility without additional investment. Furthermore, Siegwerk’s latest polyurethane (PU) ink systems were used, offering high print quality and excellent adhesion, and are suitable for demanding flexible packaging applications.
"The collaboration with Siegwerk has been effective, allowing us to advance our research in monomaterials thanks to the combined knowledge and technologies of both companies," he added. Jordi Feixas, Enplater's R&D director said, "Our combined expertise has resulted in a solution that not only performs reliably in production, but also aligns with the growing market demand for recyclable packaging structures."
The joint project reflects both companies' commitment to supporting the transition to more sustainable packaging solutions, offering future-oriented innovations that address real manufacturing and regulatory challenges without compromising food safety.
