Quote:
Originally posted by Nitrous115 So there would be no point in using clay before dacp because dacp is also a cleaner? |
Here’s my try at an understandable explanation:
DACP, as well as SMR, GEPC, etc. are abrasives and do their cleaning and polishing by grinding down the surface - much like sandpaper.
Clay is not an abrasive (with a few exceptions such as red
Clay Magic). The clay’s primary job is to pull embedded contaminants from the paint, much like pulling a splinter with tweezers. Clay also removes trash (that’s the technical term) that has become bonded to the paint’s surface - such as
mineral deposits from hard water, tree sap, insect excrement, etc. - but won’t do anything for the etching that these things may have caused - that’s the job of the abrasives.
If you use a compound, polish, or cleaner (the names of all automotive care products are confusing and not well defined) before claying, then there won’t be any protrusions remaining for the clay to grab and pull out. If the embedded debris is metallic, such as brake or rail dust, there is still the possibility of rust spotting.
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