
1) They are used in aerosols
Found on
https://www.crosswordclues.com/clue/fluorocarbons

Liquid perfluorinated carbon compounds which may or may not contain a hetero atom such as nitrogen, oxygen or sulfur, but do not contain another halogen or hydrogen atom. This concept includes fluorocarbon emulsions and fluorocarbon blood substitutes. ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

Carbon-fluorine compounds that often contain other elements such as hydrogen, chlorine, or bromine. Common fluorocarbons include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs), and perfluorocarbons (PFCs). See chlorofluorocarbonsForcing Mechanism
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Flurocarbons are commonly used as a propellant in hairsprays, they cause irritation of the respiratory tract.
Found on
https://www.encyclo.co.uk/local/22769
No exact match found.