Seymour 16-899 Paint (Primers Green ZincPhosphate) Excellent resistance to seacoast exposure Meets performance standards outlined in Federal Specification TT-P-1757A. Exceeds 800 hours of 5% salt spray fog test (ASTM #B117) Self-etching primer that is chromate-free and chemically bonds with aluminium and steel to form a corrosion resistant base coat