If you polish your car, by hand or machine, there will be oils left from the polish. These need to be removed before Opti-Coating. If no polishing was done you still need to strip the paint of any possible sealants, waxes etc. that would cause bonding issues.
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Originally Posted by Forrest
I am no machine expert at polishing but I do a okay job for a nub.
Only thing you said that threw me off is if I polish my car via machine, how would I have sealants left on it?
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