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According to CEFLEX guidelines, the polyolefin-based flexible packaging (mono-PE, mono-PP and PE/PP mixes) can generally be regarded as being “Design for Recyclability”. This is because this material makes up the largest proportion of the post-consumer flexible packaging waste stream and because the ability to sort and mechanically recycle these materials is already proven at industrial scale in some European countries (for example in Germany, The Netherlands, Italy, Spain and several other countries) (D4ACE guidelines).