Great post! If I may
Keep in mind that any product that contains even small amounts of petroleum distilates can (will) swell paint. This includes paint polishes, waxes and sealants (among other products).
Swell in the sense that it can cause the outer surface to expand.
This may sound frightening, but its not... Increases in temperature have the same effect. Your paint is never static and its density is always in a state of flux. Pull it out into the direct sunlight and it expands. Increase the temperature due to the friction of machine polishing and it expands.
Swelling/Expansion should not be confused with damaging the paint. Some expansion is perfectly normal otherwise your paint would crack when the body panel underneath expands/shrinks due to temperature changes.
One of the benefits of Iron X is that it will, at some level dissolve the iron oxide it is exposed to, whether the particle is above the paint`s surface or even with it. This is easy to observe. Take a vehicle that has heavy iron fall out and clay it until every square inch is completely smooth. Then spray Iron X and watch it work, bleeding iron particulate out of areas that were level with the paint.
Agreed, it is a simple way to understand (what to most of us, myself included) a complex process. No different then a Porter Cable having a "clutch" or detailing clay "pulling" contamination from the paint.
Thank you for sharing your expertise!
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