Not outright: since 12 August 2026, Regulation (EU) 2025/40 has prohibited placing food-contact packaging on the market if it reaches 25 ppb for a PFAS measured by targeted analysis, 250 ppb for the sum of those PFAS or 50 ppm for all PFAS, including polymers. In practice, these thresholds rule out any intentional fluorinated treatment of paper and cardboard but allow traces.
Read the source article: PPWR PFAS food packaging limits: the 3 thresholds explained