![]() Oxidizing copper in the air will create a dark and weak patina, which is not abrasion-resistant. Put a layer of ointment on the piece and leave it for 3-4 hours, then wash it with soap or dish soap.Ī sulfuric ointment is very greasy, so do not use it on objects with reliefs: it is difficult to remove its residue from recesses. To keep the coloring from fading, it is usually covered with varnish.Ģ) For a simple chemical patination, sulfur ointment is used. Then dip the red-hot piece in water, and the “faded colors” will become permanent. If you don’t have a jewelry blow torch, grip the jewelry in pliers and “dip” it into the edge of the flame on the stove burner. As the metal gets hotter, the coloring gets darker. If you place a jet of fire over the surface of the metal, you will get iridescent streaks from pale yellow and orange to purple. The cloth wipes off the fragile films, while moisture remains in the recesses, so the color continues to change in them, although not very intensely.ġ) Copper patina diy at home can be done in many ways, but the simplest one is thermal. Objects with embossed details and coins should not be wiped with a cloth after treatment, but dried in sawdust. By the way, patination of brass and copper is carried out in the same way.īefore beginning work, the object should be cleaned, degreased with alcohol or dishwashing detergent, then washed and dried. There are several ways to treat metal to apply an oxide film to it. Antique dealers process coins to give them an authentic look after cleaning, when the natural patina is damaged or had to be removed.Īrtificial oxide films are similar in composition to natural patina, but some of them rub off easily, so they need to be varnished. It is used to age copper and brass jewelry, bronze furnishings (for example, parts of caskets or furniture, statuettes). ![]()
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