Best there is in my opinion but I would suggest just going to each products web pages and read up. One main difference is that Corrosion X is supposed to stop rust that may have started which I believe in my experience it does so not just a preventative. The aviation version is used where there is a lot of liquid ice melters used to protect aircrafts and the HD is used by marine industry where there is a lot of salt water exposure. But as I said read up on the product pages.
I use FF on my truck and I’ve had WoolWax spayed on the Jeep. I think they both work as advertised. I’m wanting to get a spray gun soon. Definitely will check it out.
I've never used wool wax but it seems to be the same as fluid film from what I read several years back. Corrosion x seems to hold up better than fluid film.I personally have never did a side by side comparison, I use fluid film at work though. Corrosion x gives a better film shell than fluid film I think. It has a "harder" sheen to it than fluid film or a waxier look. just my observation. Both will smear if you brush up against the treatment. I liked the corrosion x because it supposedly is suppose to stop corrosion, while fluid film just coats. Project farm did a comparison of these so you can see his results. Crc did the best in his video though. I see locust Post also said the same about rust prevention/stopping. didn't read thru all the responses..
