Bronze sheets are durable and are able to resist damage caused by the elements or regular use. In order to maintain the beauty of bronze sheets and prevent them from undergoing discoloration or getting scratched, you will need to clean the sheets and any products made from them about once every six months.
Harsh chemical cleaners should never be used on bronze sheets. The chemicals may react with the bronze, causing it to lose strength or develop unwanted color changes. Instead, natural cleaners such as baking soda and lemon juice or salt, vinegar, and flour should be used. A few additional supplies such as soft cotton or microfiber cloths are also helpful in maintaining attractive bronze sheets.
Lemon Juice and Baking Soda Technique
To clean bronze, one method is with lemon juice and baking soda. To do this, mix a paste of baking soda and lemon juice in a small glass or wooden bowl. Some bubbling of the paste is normal. Use a soft cloth to apply the paste to the bronze in a circular motion. Allow the paste to sit for 20 minutes, then rinse with warm water. Dry with a clean cloth.
Salt, Vinegar, and Flour
Make a paste of flour, salt, and white vinegar. Use a soft cloth to apply it to tarnished areas of the bronze sheets. Allow the paste to sit for 20 minutes, then wash it off. Buff the bronze dry.