I got one recently that says it's coated with this: https://www.coatresa.com/en/whitford-fusion-coating/ https://www.coatresa.com/en/whitford-fusion-coating/ "

I got one recently that says it's coated with this: https://www.coatresa.com/en/whitford-fusion-coating/ https://www.coatresa.com/en/whitford-fusion-coating/ "a coating system based on sol-gel technology, made without PFOA and PTFE" but I haven't yet found out with any more detail what it actually _is_.