23/09/2026
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How can packaging deliver reliable grease and moisture protection without compromising its fibre-based end of life?
At Walki, water-based dispersion coating enables us to apply a thin functional layer to paper, creating high-performance barrier packaging with high fibre content and a design suited to paper recycling streams.
With this technology, we achieve:
✅ Medium to high barrier performance against grease, moisture and water vapour.
✅ High-fibre structures, typically with more than 90% fibre content, designed for repulpability in conventional paper recycling streams.
✅ Reliable heat sealing and high-speed converting, with excellent printability and shelf appeal.
✅ Natural polymer dispersion coatings available, derived from food-industry side-stream proteins, offering a microplastic-free and biodegradable alternative.
✅ PPWR-oriented solutions, designed with recyclability requirements and existing recycling infrastructure in mind.
✅ Lower EPR costs through fibre-rich structures designed to support favourable recyclability classifications, depending on the applicable national EPR scheme.
The technology can be used across applications from tea envelopes and frozen foods to confectionery, snack pouches, secondary packaging and household products. The principle is simple: use the minimum functional layer needed to deliver the required performance; while maximising fibre content and recyclability. To make this possible, Walki has developed a next-generation production line entirely in-house, designed to advance sustainable barrier materials.
From technology to material innovation, we are for a .