The sterling silver medals are made of silver (99.99% pure), and the sterling silver content of the finished sterling silver commemorative coins is not lower than the international standard of 92.5%. Sterling silver medals have a profound historical commemorative value, which is mainly determined by the commemorative significance of the subject matter, the quality and weight of precious metals, the perfection of artistic design, and the sophistication of engraving techniques and casting techniques. ASNY tells you how to preserve sterling silver medals.
1. Precious sterling silver medals should be packaged individually. The texture of sterling silver medals is relatively soft, and they are easily damaged by mutual friction. The most prominent part of the relief is the most easily scratched. Therefore, sterling silver medals should be packaged individually and not stacked together.
2. When there are stains on the surface of the sterling silver medal, it needs to be carefully wiped or cleaned with a soft cloth or a soft brush to avoid scratching the surface of the sterling silver medal.
3. The sterling silver medal will be dimmed due to oxidation for a long time, which affects the viewing. It can be soaked in a small amount of special cleaning solution, and then rinsed with clean water.
4. The acid-base test solution is harmful to the sterling silver medal. Do not let it come into contact with the sterling silver medal, so as not to oxidize the sterling silver medal, it should be isolated immediately.
5. Sterling silver medals should be dried and should not be placed in a humid environment, which will cause oxidation and deformation of the sterling silver medals.
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