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Chem-X Publication II: The updated version of our Sustainability & Circularity Guidelines

Date

June 2026

We are excited to share that the updated Sustainability & Circularity Guidelines (Version 2.0) are now published. They advance a common foundation for consistent, decision relevant data in the chemical industry.

Building on V1.0, this new version expands the scope with additional environmental impact categories and circularity metrics, strengthening the industry’s ability to assess and exchange sustainability data at scale.

What’s new in V2.0:

Sustainability Guideline: expanded environmental impact coverage

  • Eutrophication (terrestrial, freshwater, marine)
  • Particulate matter
  • Ionising radiation

Circularity Guideline: added circularity metrics

  • CO₂-based content (CCU)
  • Waste disposal metrics

These additions complement the existing framework (PCF, resource use, water, acidification, ozone impacts, circular content metrics & chain of custody), providing a more complete and robust picture of product sustainability and circularity.

Thank You for Your Feedback.
We sincerely thank all participants who contributed feedback during the previous Consultation No. 2. Your insights, perspectives, and comments have helped us refine the guidelines and ensure they reflect the needs of a diverse and interconnected industry.

Your contributions strengthen this pre competitive, publicly funded initiative – and help move the entire industry toward shared, open, and interoperable standards.