Sustainability Series: Mold Making Solutions to Address PCR Molding Challenges


As a follow up to the white paper entitled “Sustainable Development: Partnering With Your Mold Maker”, the following paper digs deeper into practical approaches that address the challenges of using Post Consumer Resin (PCR) in the injection molding process.

While this paper is focused on the technical aspects of running PCR, it is important to mention some of the present business and logistical challenges the plastics industry is facing in trying to increase the use of PCR.


  • Introduction

  • Background

  • PCR Molding Challenges and Solutions

    • Variability in Composition and Melt Flow Index (MFI) across batches of PCR

    • Contaminates in PCR regrind

    • Increased capabilities in process control and quality management

  • Conclusion