PFAS
Persistent fluorinated 'forever chemicals' found in some dielectric coolants, raising environmental and regulatory concern.
Current numbers
31 Mar 2025last day to order 3M Novec; PFAS production ends 2025, vaporizing the two-phase fluid supply chain
Mar 20253M's last Novec/PFAS fluorochemical orders; production wind-down through 2025 (drove the two-phase-immersion exit)
$12.5B3M PFAS-related settlement exposure — the liability backdrop behind the two-phase exit