These stable carbon–fluorine bonds have also been used with ... be used as intermediates to cover surfaces with CaF 2 — a coating that is transparent to visible light, and resistant to acids ...

It was found that the hydrophobic melanin particles obtained by coating with octadecyl groups exhibited almost the same level of hydrophobicity as particles coated with fluorine compounds ...

(Bloomberg) -- Used to make coatings and products that resist ... They’re often called “forever chemicals” because their strong fluorine-carbon bonds mean they persist in people, animals ...