Simoniz Clear Acrylic Lacquer (aerosol) is a tough UV stable formula, which is easy to use and fast drying. It leaves a clear and protective coating on surfaces that prevents tarnishing, is durable and results in a high gloss, super smooth finish. It has3 main uses:Genuine copper Coat toretain a copper shineif preferred rather than the brown rustic finish that otherwise will result over time due to oxidation.Coastal areas Toprevent corrosionandtea staining.We recommend that it be used in all areas within 20 miles of the coast.Stainless Steel Itcanbe sprayed on to all Stainless Steel lights plus all other outdoor wall lights as anadditional protective coating.Touch Ups Torejuvenate faded black paintworkdue to exposure to the sun, as an alternative to repainting.SIMP22C Not suitable for surfaces treated with alkyd based paints