Speaker
Description
The implementation of the European Green Deal and the Chemicals Strategy for Sustainability has led to a substantial increase in regulatory pressure on materials used in the European space sector. Ongoing revisions of the REACH Regulation, CLP Regulation and the RoHS Directive, together with new horizontal instruments such as the Ecodesign for Sustainable Products Regulation, are creating cumulative compliance challenges for highly specialised, low-volume applications typical of space systems.
Reflecting on the regulatory developments over the past decade, the proposed universal restriction of per- and polyfluoroalkyl substances (uPFAS under EU REACH) represents the most critical regulatory risk currently faced by the European space sector. PFAS are embedded across ALL space applications, including thermal control, electrical insulation, sealing, lubrication, and high-reliability electronics manufacturing, where no technically equivalent and qualified alternatives are available.
ESA, in coordination with the Materials and Processes Technology Board (MPTB), has established a structured response through a dedicated Restriction Task Force (RTF), aligned with Eurospace. This coordination enables consolidated data gathering, supply chain mapping, and development of evidence-based response to public consultations.
Preliminary analyses confirm that space-related PFAS uses are characterised by extremely low volumes, controlled life-cycle emissions, and disproportionately high substitution and qualification barriers. A non-differentiated, one-fit-all type of restriction would therefore primarily result in:
• disruption of ongoing and future ESA/EU programmes,
• accelerated obsolescence of qualified materials and processes,
• increased dependency on non-European supply chains,
• and limited environmental benefit at system level.
In this context, ESA REACH activities are increasingly focused on risk-based regulatory engagement, including targeted stakeholder outreach (e.g. REACH awareness webinars for SMEs), support to technical justification for essential uses, and supporting discussions on potential derogations for space-specific applications.
In parallel, MPTB activities are expanding towards systematic obsolescence monitoring and early identification of regulatory-driven supply chain risks.
This contribution provides an updated overview of these activities and highlights key regulatory challenges for the European space sector. It also reflects recent updates to the ESA REACH Tool, sector-wide database of substances and space-relevant materials, enabling regulatory-driven obsolescence risk monitoring.