1 Shot 4007 Hardener
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Hardener 4007 is designed to accelerate drying time for 1 Shot Lettering Enamels, Pearlescent Enamels, Background Enamels, and Bulletin Colors. In many cases, it can improve adhesion qualities, extend color life and increase gloss retention. It is also required when using any enamel or urethane topcoats over catalyzed 1 Shot.