The patina is formed when the reacting metal in military or sporting medals with oxygen in the atmosphere forms a patina. A patina on the metal is a thin layer of oxide that gives it an aged, darkened look. Since it can cause damage to the medal, most collectors want the patina on their medals. The best way to clean wooden and non-metal medals are not to.
Use compressed air in a can to clean the medal.
The surface will develop a patina over time due to the reaction of the metal in medals for sporting and military events with oxygen.
- Use compressed air in a can to clean the medal.
Blend 15ml (1 teaspoon) of soap in 500ml (2 cup) warm water.
To remove dirt, soak a towel in soap. To clean small cracks, use a cottonbud.
You can dry the medal using a damp cloth.
Use abrasive cleaners only on metal medals.
Use no chemical cleaners to clean your medals. They could cause damage to the finish.