PPG’s F4921 Epoxy Primer is formulated for a broad range of substrates, including cold-rolled steel, aluminum, stainless steel, galvanized steel, galvaneal, fiberglass and cured surfaces. The fast-drying sealer can be topcoated as a primer over bare metal as a protective layer or as a sealer over existing finishes in as little as 30 minutes and is formulated for added adhesion and corrosion-resistance properties. The gray primer is compatible with Delfleet Evolution basecoats and single-stage topcoats.
