DS EN 2436-005:2006 Aerospace Series - Paints And Varnishes - Corrosion Resistant Chromate-Free Two Component Cold Curing Primer - Part 005: For Exterior Use With Surface Preparation Tolerance Defines the basic requirements for a two component, cold curing, chromate-free epoxy or polyurethane, corrosion resistant primer which can be used with or without a finish for aerospace applications.