Multi-Layer Flexible Plastic Pouches (Stand-Up Pouches, Chip Bags, Squeezable Tubes) Are Functionally Unrecyclable at 140M+ Tonnes/Year

Multi-layer flexible packaging — stand-up pouches, chip bags, squeezable baby food tubes, coffee bags, and pet food bags — combines 3-7 layers of different plastics, aluminum foil, and adhesives into a single laminate that cannot be separated by any commercially viable mechanical recycling process. These packages now represent the fastest-growing packaging format globally, projected at 140 million tonnes by 2025, yet MRFs must reject them as contaminants because they jam sorting equipment and degrade the quality of single-polymer bales. Why it matters: Brands adopt multi-layer flexible packaging because it uses 70-80% less material by weight than rigid alternatives (reducing shipping costs and carbon footprint in transit), so flexible packaging volumes are growing at 4-5% annually — far faster than recyclable rigid formats, so consumers place these pouches in recycling bins because they look like recyclable plastic (wishcycling), so MRFs must spend additional labor and equipment time removing them from recycling streams, contaminating otherwise clean bales, so the entire single-stream recycling system loses efficiency and economic viability as the proportion of unrecyclable flexible packaging in the incoming waste stream grows every year. The structural root cause is that flexible packaging is designed for product protection and shelf life (barrier properties against oxygen, moisture, and light) using material combinations that are fundamentally incompatible with recycling, there is no economic incentive for brands to switch to mono-material alternatives that may have inferior barrier properties, and the EU's 2030 recyclability mandate has no enforcement mechanism strong enough to force the transition before the deadline.