Dy-Mark MetalPro Black Zinc is a fast drying, durable epoxy based metallic zinc coating which provides excellent adhesion and corrosion resistance to metal surfaces. It can be used as an anti-corrosive primer and top coat in a one-step application. It can also be used as a touch-up coating for welded areas on galvanised products however for longer-term protection and highly corrosive conditions Dy-Mark MetalPro Zinc Gal primer is recommended before the application of Dy-Mark MetalPro Black Zinc as a finish coat.