When dry, protect the finish with multiple coats of a clear sealer.

Additional patinas can be layered over a Slate Black base. Slate Black Patina may be diluted up to 50% with distilled water depending on the desired strength of finish. Depending on the application method chosen, the results will range from a uniform solid color to a layered textured appearance. Slate Black may be applied as a spray or in an immersion process. On iron, steel, and nonferrous metals, Slate Black will form a black patina when applied cold.īefore applying this patina, sandblasting or sanding is required to clean the surface of oil, oxides, and residues. Slate Black Patina is a versatile and unique finish for use on iron, steel, stainless steel, aluminum, bronze, brass, or copper.Īpplied hot, Slate Black will create a deep brown patina on aluminum and a red-green finish on stainless steel.