What question did this study set out to answer?

To review international regulatory mandates, supply chain accounting frameworks, and analytical laboratory methodologies for quantifying recycled content in plastic products.

May 31, 2025Resources Conservation and RecyclingOpen Access

Quantification of recycled content in plastics: a review

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To review international regulatory mandates, supply chain accounting frameworks, and analytical laboratory methodologies for quantifying recycled content in plastic products.
Assessed global policy developments and recycled plastic mandates across jurisdictions including the UK, the USA, and Australia.
Evaluated supply chain mass balance accounting frameworks alongside laboratory analytical techniques regarding their operational feasibility and authenticity for packaging.
Current quantification methods yield divergent recycled content values for the same product, fostering mistrust between manufacturers and regulators.
Mass balance accounting remains the predominant tool across commercial supply chains, whereas physical laboratory assays vary considerably in feasibility, cost, and capacity to authenticate material origin.

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Implication

Review uncovers discrepancies among recycled content quantification methods in plastic packaging, highlighting the need for robust verification to enforce global sustainability mandates.

Cite This Study

Soomro et al. (2025) studied this question.

synapsesocial.com/papers/6a82554847f72330e2ffbbb0 https://doi.org/10.1016/j.resconrec.2025.108426

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Implication

Review uncovers discrepancies among recycled content quantification methods in plastic packaging, highlighting the need for robust verification to enforce global sustainability mandates.

Quantification of recycled content in plastics: a review

Key Points

Discussion

Implication

Cite This Study

Quantification of recycled content in plastics: a review

Key Points

Discussion

Implication

Cite This Study

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