According to the division of silver content, it can be divided into:

(1) the volume of silver in the foot silver is not less than 990.

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Because it is too soft, it is not easy to mold Jewelry shape, and easy to wear and oxidation black.

So it is not very suitable for jewelry making.

(2) the silver content of 925 silver is not less than 925.

Also known as "925 silver".

Usually 92.5% silver is added and 7.5% copper mixed is added.

Because of its incorporation into copper, its finished products are brightly polished and more beautiful than their feet. Therefore, they are often used as jewelry and silver utensils.

In order to increase the gloss and reduce the oxidation degree of 925 silver ornaments, some manufacturers will also have a white layer on them.

Such products are commonly known as genuine gold and silver products.

silver

In general, the imprint of the English abbreviation ("s" or "Sterling") of silver is played.

The mark of standard silver is S925.

The impression of foot silver is S990.

But many countries do not print them on silver jewelry.