It has certain limitations to he practical though, we are speaking of a coating to be applied on aircrafts or small drones.Lol, do you think nobody thought of something like that before? Or did they revealed the formula?
It has to have a low density - ✓
It has to be usable for thin-film applications NA
It has to demonstrate those capabilities below a certain thickness NA
It has to provide an insulation and not conduct the contained heat to the inner fuselage NA
I am excluding mechanical properties so far.