Sustainable Converting
Dunapack and Apex accelerate CO2 reductions in corrugated post print
of traditional anilox rolls, our Genetic Transfer Technology (GTT 2.0) anilox off ers a revolutionary approach to printing,” explained Stefan Schneider. “We undertook this project with Dunapack to demonstrate that using the GTT 2.0 anilox not only enhances print quality, but is also more in line with sustainability objectives and crucially leads to a printing process with less resources needed.”
Christian Rieger, print expert with Dunapack, said one of the keys to the project was achieving the same high-quality print while using a reduced amount of ink, without changing the ink formulation. “With climate change and issues of income inequality on the rise recently, sustainability has taken centre stage in the growth of the world,” he said. “The importance of achieving CO2 reduction is evident. “Corporations, which are vital to economic activity, have a duty to push society toward sustainable development. This means that businesses must develop business models that balance economic effi ciency and sustainable growth while pursuing profi t maximisation, actively adopting the ESG (Environmental, Social, and Governance) concepts.
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n the face of growing consumer demand and today’s sustainability objectives, many brand owner customers have shifted their focus. Rather than
on-shelf standout being a primary concern, the demand for sustainably printed packaging is becoming increasingly important, with brand owners choosing suppliers who are focusing on eco-friendly packaging while balancing out the cost of production.” Marcus Graßler, sales representative Dunapack Packaging Straßwalchen.
CO2 emissions in cartonboard printing can be reduced signifi cantly using the new GTT 2.0 anilox, according to a market-fi rst project conducted by Dunapack Packaging Austria (Dunapack) and Apex International (Apex). The project was undertaken at Dunapack’s
Straßwalchen facility in Salzburg, Austria, with results showing reductions as much as 18 percent in the amount of ink, thanks to the innovative anilox design which led to a reduction of the CO2 footprint related to the weight in kilograms of CO2 per kilogram of ink.
Delivering better laydown on press means less ink and varnish is needed to achieve the same optimal outcome as using regular aniloxes. “Simply put, we can attain the same high-quality resultant print while creating around 18 percent less CO2 pollution related to ink consumption,” said Stefan Schneider, key account manager corrugated with Apex. “The precise number is actually higher in some cases, but this fi gure is an average value of multiple print runs with Dunapack using the GTT 2.0 technology.” “Utilising a unique ‘slalom’ engraving instead
“Customers of, as well as Dunapack itself as one of their key partners in the supply chain, aim to reduce their corporate carbon footprint,” said Christian Rieger. “The future of the planet as we know it is endangered and all facets of society should take notice as serious concerns are posed by issues of environmental degradation. This is not only of utmost importance to us at Dunapack, but also for me personally.”
Peter Kern, head of converting at Strasswalchen site, explained that as part of the project, Dunapack ran a series of comparisons to ensure the colour density of the print remained the same, with reduced ink usage. “We fi rst run the job with our conventional anilox and then again with the Apex GTT 2.0,” he said. “We compare each product across the full job, which has an average print run of between 5,000 and 20,000 sheets, and we can see how much ink we have used. Based on those results, we can compare our CO2 emissions.” “We’ve also trialled printing white ink on brown
Dec 2024 / Jan 2025
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