Brass that is lacquered will feature with a clear layer and tarnish will only show up if a crack appears on the surface. This thin layer in the short term protects the brass finish from exposure to the atmosphere and will ensure it displays the bright shine.

How long does lacquer last on brass?

Brass Lacquer can be used on knobs, handles, hinges, and other metal fixtures throughout your home. Unfinished brass must be polished frequently to maintain it's luster. Lacquered brass will last about ten years and does not require frequent polishing. Lacquer protects brass from oxidation.

Will lacquer prevent brass from tarnishing?

By coating the freshly polished metal with lacquer, you should be able to keep shiny brass from tarnishing — until the lacquer wears off, at which time you can strip what remains and start over. ... Polish off any remaining tarnish with the brass cleaner. Top with clear lacquer from a spray can; apply several layers.