Iron Prime 600 is designed to be a mainstay, universal primer for metal substrates subjected to harsh environments. Its impressive corrosion resistance and tenacious adhesion provide excellent protection of the substrate and make it an excellent choice for use as a barrier coat over sound, existing, conventional coatings. Iron Prime 600's rapid recoat time makes it highly adaptable to any workflow. Designed to provide excellent gloss holdout for a wide variety of topcoats, Iron Prime 600 will enhance the appearance of your finish coats. Iron Prime 600 is lead- and chromate-free.