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Increasing the paper-based content of carton packages

Our carton packages are primarily paper-based, a renewable resource which we source responsibly. This helps beverage cartons feature a lower carbon footprint than other packaging solutions1.

In aseptic carton packages, aluminium foil layer is used to protect the contents from oxygen and light, preserving nutritional value and flavour for months, even without refrigeration. Although thinner than a human hair and constituting only 5% of the package, the aluminium foil layer in our aseptic packages is responsible for approximately one-third of the greenhouse gas emissions linked with base materials. We’re investing and working in enhancing the packaging design to increase the share of renewable materials and paper-based content in our aseptic carton packages.

Carton packages featuring a paper-based barrier on shelves

In 2020, we have initiated a 15-month commercial technology validation of a polymer-based barrier replacing the aluminium foil layer. This helped to understand the value chain implications of the change.

The journey continued in 2022 with the next level of development - a commercial consumer testing of a paper-based barrier.

Together with Lactogal, we’re now set to launch the Tetra Brik® Aseptic 200 Slim Leaf carton with a paper-based barrier, that is a first within food carton packages distributed under ambient conditions, and achieving a remarkable 90% renewable content. With around 80% paperboard, this package reduces CO2 emissions by an impressive 33% compared to traditional aseptic cartons1.

Catering to consumer preferences

Alongside the increase in renewability share, cartons with higher paper content are more appealing to paper mills, promising a potential shift towards a low-carbon circular economy for packaging.

A recent global study shows that 31% of consumers would be more motivated to sort for recycling if packages were made entirely from paperboard2. Increasing the paper content in our packaging solutions will also help cater to these consumers.

The journey continues

To keep the innovation running, we are collaborating with suppliers, customers and other stakeholders throughout the value chain. And we’re investing up to €100 million per year over the next five to 10 years to further enhance the environmental profile of food cartons, including the development of packages that are made with a simplified material structure and increased renewable content.

Tetra Pak and Lactogal cut carbon footprint of aseptic cartons for milk | Tetra Pak Global

1Certified by the Carbon Trust™ - benchmark: Tetra Brik® Aseptic 200 Slim Leaf carton package with aluminium foil layer.

See other solutions

Tetra Pak cartons standing with forest cardboard background

Discover our plant-based portfolio

Our portfolio of plant-based carton packages features responsibly sourced, renewable materials like paperboard and sugarcane polymers used for caps, protective layers and coatings – all certified from responsibly managed and controlled sources.

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Drive efficiencies in your dairy production process

Reduce water and energy consumption compared to a traditional dairy processing line with our UHT 2.0 Heating Portfolio using OneStep technology.

Experts looking at cartons and machine

Optimise your operations with Expert Services

Expert Services for Plant Optimisation can help make your plant more efficient. Our experts help you evaluate operational performance and provide actionable advice around adjustments you can make in and around your plant.