rmacedo2010 Posted June 28, 2018 Report Share Posted June 28, 2018 i just sandblasted the undercarriage of my 67 fastback. after blasting i used eastwoods "afterblast" product to keep the metal from rusting. can rust seal be applied on the metal after the afterblast from eastwood which i believe is just a phosphoric coating? Quote Link to comment Share on other sites More sharing options...
KBS Coatings Posted June 28, 2018 Report Share Posted June 28, 2018 We have never tested or used afterblast, but it seems like it should not be a problem as long as you take a green pad and slightly sand the surface to removed excess zinc phosphate. Please let us know if that helps and if you have any additional questions. Quote Link to comment Share on other sites More sharing options...
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