My first DuPont product was #7 car wax, about 40 years ago. They were the originators of "Rain Dance" in 1975. Currently, I tried their "Teflon Ultra Car Wax" (the liquid - not the spray) side-by-side next to Megs 26 yellow. #26 looked more reflective, but as far as durability goes, the DuPont product held up just as long as the Megs product. Of course, it isn't really "Teflon" like what is on your cookware surface. But DuPont owns that name so they use it to suggest a "non-stick surface". Ironicly, it wasn't any more "non-stick" than the #26.