monteman Posted March 28, 2015 Report Share Posted March 28, 2015 Can I use epoxy primer over rust seal? It is a urithane epoxy primer. If I can what is the best method for adhesion. Quote Link to comment Share on other sites More sharing options...
KBS Coatings Posted March 29, 2015 Report Share Posted March 29, 2015 There are three effective ways to top coat RustSeal with an epoxy primer effectively so that the coatings bond & fuse together. 1) Apply your epoxy primer once the second or final coat of RustSeal is dry-to-the-touch and does not leave a fingerprint (usually 3-10 hours depending on temperature and humidity). 2) Let the second or final coat of RustSeal fully cure (at least 24 hours), scuff the RustSeal with 300 grit, then apply your epoxy primer. 3) Let the second or final coat of RustSeal fully cure (at least 24 hours), dust the RustSeal with Fusion Self-Etching Primer, let the Fusion cure for 30 minutes, then apply your epoxy primer. You can feel free to choose the method that will work for you. Please let us know if you have any additional questions. Quote Link to comment Share on other sites More sharing options...
monteman Posted March 29, 2015 Author Report Share Posted March 29, 2015 I assume this step is the better choice because of a better chemical bond?? 1) Apply your epoxy primer once the second or final coat of RustSeal is dry-to-the-touch and does not leave a fingerprint (usually 3-10 hours depending on temperature and humidity). Quote Link to comment Share on other sites More sharing options...
KBS Coatings Posted April 14, 2015 Report Share Posted April 14, 2015 Yes, the method you asked about does give you a chemical bond and is ideal. However, the other 2 methods work very well as well. Quote Link to comment Share on other sites More sharing options...
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