Systemic Gaps in Circular Plastics: A Role-Specific Assessment of Quality and Traceability Barriers in Australia

Benjamin Gazeau (), Atiq Zaman, Roberto Minunno and Faiz Shaikh
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Benjamin Gazeau: Curtin University Sustainability Policy Institute (CUSP), School of Design and the Built Environment, Curtin University, Bentley, WA 6102, Australia
Atiq Zaman: Curtin University Sustainability Policy Institute (CUSP), School of Design and the Built Environment, Curtin University, Bentley, WA 6102, Australia
Roberto Minunno: Curtin University Sustainability Policy Institute (CUSP), School of Design and the Built Environment, Curtin University, Bentley, WA 6102, Australia
Faiz Shaikh: School of Civil and Mechanical Engineering, Curtin University, Bentley, WA 6102, Australia

Sustainability, 2025, vol. 17, issue 14, 1-34

Abstract: The effective adoption of quality assurance and traceability systems is increasingly recognised as a critical enabler of circular economy (CE) outcomes in the plastics sector. This study examines the factors that influence the implementation of such systems within Australia’s recycled plastics industry, with a focus on how these factors vary by company size, supply chain role, and adoption of CE strategy. Recycled plastics are defined here as post-consumer or post-industrial polymers that have been reprocessed for reintegration into manufacturing applications. A mixed-methods survey was conducted with 65 stakeholders across the Australian plastics value chain, comprising recyclers, compounders, converters, and end-users. Respondents assessed a structured set of regulatory, technical, economic, and systemic factors, identifying whether each currently operates as an enabler or barrier in their organisational context. The analysis employed a comparative framework adapted from a 2022 European study, enabling a cross-regional interpretation of patterns and a comparison between CE-aligned and non-CE firms. The results show that firms with CE strategies report greater alignment with innovation-oriented enablers such as digital traceability, standardisation, and closed-loop models. However, these firms also express heightened sensitivity to systemic weaknesses, particularly in areas such as infrastructure limitations, inconsistent material quality, and data fragmentation. Small- and medium-sized enterprises (SMEs) highlighted compliance costs and operational uncertainty as primary barriers, while larger firms frequently cited frustration with regulatory inconsistency and infrastructure underperformance. These findings underscore the need for differentiated policy mechanisms that account for sectoral and organisational disparities in capacity, scale, and readiness for traceability. The study also cautions against the direct transfer of European circular economy models into the Australian context without consideration of local structural, regulatory, and geographic complexities.

Keywords: circular economy; Australia; recycling; plastic; quality; traceability (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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