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On Corrosion X's website, a review left and answer given by Corrosion X:
Grant
05/05/2022
Dissolves rust like oxalic acid, and protects well.
Corrosion Technologies
Thank you for your kind review. However, to be technically correct, CorrosionX doesn't actually really dissolve rust. CorrosionX could care less about rust, but it is REALLY interested in bonding to the clean (i.e. unoxidized) metal underneath the rust. So CorrosionX quickly penetrates through the rust, bonds to the underlying metal and creates a self-healing Fluid Thin Film Coating (FTFC) between the rust and the clean metal surface. So now there is no longer anything connecting the rust and the clean metal, so the rust usually just wipes off or washes off. In essence, the end result of removing the rust is the same, except that CorrosionX accomplishes it in a much safer, and more environmentally-friendly manner, and you also get the bonus of protecting the new clean metal surface at the same time (whereas acids basically prime the newly exposed clean metal to rust again). So cleaning metal with CorrosionX is a win-win-win scenario.
Has anyone tried PB Blaster Surface Shield? It's also lanolin based. I was doing a deep dive on all the rust preventatives about a year ago and their product seemed to hold up the best (2yr before re-application). I don't recall the Wool Wax product being in the testing which has me re-evaluating my options before.
I could get away with not coating the underside of my truck living on the coast, but I have since moved north and need to get a handle on this before my truck starts wasting away with the rest of them.
Another video on Surface Shield against Fluid Film.
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