PPWR & Composite Can Converters: Spiral-Wound Paper, Metal Ends & Multi-Material Grading
Composite cans — the spiral-wound paperboard cylinders sealed with a metal or fibre end and topped by a plastic overcap — fill European supermarket shelves as Pringles canisters, infant formula tins, ground-coffee tubs, oat boxes, juice-powder containers, breadcrumb tubes, motor-oil bottles and biscuit barrels. The format is roughly 70% paperboard, 10–15% steel or aluminium, 5–10% plastic overcap and a polymer or aluminium liner — and Article 6 demands a single Annex II grade for that whole multi-material unit. A converter-side playbook for Sonoco, Smurfit Kappa Composites, Massilly, Glud & Marstrand and Crown Speciality Packaging on 4evergreen REP v2.0 + CEPI grading of the fibre body, EN 13430 detachability for the metal end, RecyClass design-for-recycling for the plastic overcap, SiOx / AlOx vapour-deposited barrier paper migration off aluminium foil, water-based dispersion barriers (Michelman VaporCoat, Solenis TopScreen, BASF Joncryl) replacing PE extrusion, alkali-dispersible PVA spiral-winding adhesives, NIR-detectable dark pigments on PE / PP overcaps, ISCC PLUS mass-balance rPE / rPP for Article 7 contact-sensitive 5% / 25% supply, PFAS-free greaseproof at the molecule level, Sonoco PaperBottom (Pringles EU 2023) as the fibre-bottom reference platform, Article 24 e-commerce void modelling for cylindrical formats, the March 2026 EC guidance gap on composite multi-material packaging and the structured multi-component Declaration of Conformity brand owners now demand per SKU from composite-can converters before August 12, 2026.
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