hmmn, this is something new to me. are you sure hindi mahirap tanggalin? at walang haze o streaking sa paint surface? afaik, yung curing (8-12hrs) na tinatawag is after you apply and buff the KSG. very notorious kasi ang KSG na mahirap maalis once matuyo kaya usually pahid-punas agad ang ginagawa. now, since subok mo na pala na pwede patuyuin ng matagal bago punasan then pwede siguro subukan sa isang panel for comparison lang
btw, its not my usual practice to apply sealant or wax kapag galing sa labas ang sasakyan at kapaparada sa garahe. i apply sealant lang kapag bagong polish o wash ang paint surface. as much as possible gusto ko malinis yung paint surface bago patungan ng sealant or wax.