How to Age Brass

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Watch more Great Craft Ideas videos: http://www.howcast.com/videos/292650-... • It's possible to mimic the surface oxidation of antique brass objects by using the following techniques. • Warning • If you use chemicals to age brass, wear gloves that completely cover your hands, and safety glasses. Work in a well-ventilated room. • Step 1: Remove any varnish • Remove any varnish from the surface of the object by applying acetone with a brush. Rinse off the acetone with hot water. • Tip • If you are not sure the object is made of brass – bronze and copper look similar – take it to an expert for an evaluation. Aging treatments that work for brass may damage other materials. • Step 2: Brush vinegar or salt water on the surface • Brush vinegar or salt water over the entire surface of the object using the paintbrush. Both liquids oxidize the brass. • Step 3: Apply heat • Apply heat or a flame to the object, which causes the brass object to take on an aged appearance relatively quickly. • Warning • Brass is often coated with lacquer. Be sure that all lacquer has been removed from the object before subjecting it to flame because lacquer is flammable. • Step 4: Use a commercial aging product • Apply an over-the-counter aging product, though it may leave a color deposit on the object’s surface that wears off easily during normal use. • Step 5: Use ammonia • Place the object in a large plastic bag next to a rag soaked in ammonia. Ammonia vapor produces a greenish-brown oxide finish on brass, close in color to a natural patina. • Did You Know? • Brass is an alloy of copper and zinc.

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