How to Clean Antique Brass

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The first step in restoring brass is a good cleaning but, though you want to be tough on dirt and grime, you want to go easy on this precious metal.

Step 1: Determine if brass is lacquered
Determine whether your brass is lacquered, and whether to clean over the lacquer or to remove the lacquer and clean the brass beneath it.

Tip
If a piece is particularly valuable, consult a specialist or curator before attempting to clean it.

Step 2: Start with soapy water
Clean unlacquered brass with hot soapy water and a soft cotton cloth, wearing rubber gloves to protect your hands. Dampen the cloth, wipe down your brass, and then dry it immediately with a fresh cloth.

Step 3: Boil linseed oil
Boil linseed oil and apply to a clean cloth. Wipe the brass again to remove lingering dirt or oils that have built up on the surface, and buff it dry.

Step 4: Make a paste
Make a paste with equal parts vinegar, salt, and flour if your brass is plagued with stubborn grime. Apply the paste and let it set for an hour or two.

Step 5: Remove paste
Remove the paste with warm water and then dry your brass with a clean, soft cloth. Repeat paste applications if necessary.

Step 6: Maintain
Remove tarnish that builds up. Clean and polish your brass regularly. Lacquer the brass.

Did You Know?
There are 31 tons of copper in the Statue of Liberty.