A quick-drying modified alkyd universal primer and barrier coat for use as an anticorrosive primer on ferrous metal and as a barrier coat over solvent-sensitive coatings. For industrial and commercial use including machinery, piping, structural steel, marine vessels, storage tank exteriors, and power plant equipment. For priming properly prepared steel. Excellent for use as a high-quality shop primer. For use over solvent-sensitive coatings as a foundation for high-performance topcoats.