Although any metal can constitute 7.5% non-silver, hundreds of years of experiments have proved that copper is the best alloy collocation, because the alloy containing copper can not only improve the hardness and durability of metal, but also not affect its beautiful color.
Adding a small amount of copper will not have much effect on the value of pure silver. On the contrary, the price of pure silver products will be affected by the production of products, the skills of craftsmen and the complexity of design.
Most quality products are marked with the word "excellent". This sign shows the content of precious metals in this kind of jewelry.
Because 100% pure silver is soft, it is only used when its plasticity is needed, such as intricate designs such as handicrafts to show its weaving.
Because standard sterling silver is both beautiful and durable, it has become a common material for making jewelry and accessories. The qualified quality mark of pure silver includes the following contents:
● Pounds.
● Pure silver
● 925
Under your careful care, your high-quality sterling silver jewelry will accompany you all your life. To minimize scratches and damage, please put your sterling silver jewelry in a cloth bag or in a separate layer of the jewelry box. In order to avoid damage to silver jewelry, please avoid making jewelry close to common chemicals in daily life.
You should maintain your sterling silver jewelry to prevent it from losing its luster. When it reacts with sulfur or hydrogen sulfide in the surrounding environment, it loses its luster. If you want to clean your silver ornaments, you can use a special polishing agent to restore their luster. You can also use pure silver polishing agent, solution or silver cloth to restore the luster of pure silver jewelry.
Although wearing sterling silver jewelry often is the best way to prevent it from losing its luster, cleaning all your jewelry regularly will also prevent your jewelry from losing its luster and keep its original luster.
Remember: when buying sterling silver jewelry, you should look at the high-quality logo marked on the bottom of the jewelry or the logo engraved by the manufacturer. So as to ensure its quality.
So it may have rusted after a long time.