1, pure silver: it is marked with S925 or 925, indicating that the silver content of this metal is 925%. It is characterized by bright white color and soft texture, which is very suitable for making plain silver jewelry. It can well show the texture of pure silver, and the jewelry made of this material has a good decorative effect.

2. Foot silver: There is a sign of S990 or 990, indicating that the silver content of this metal is 990%.

3. Thousands of feet of silver: there is a sign of S999 or Foot of Silver 999, indicating that the silver content of this metal is 999%.

4. Makasit: A specialty of Thailand, the standard is 925 silver content. The appearance lacks brightness and pursues an ancient antique silver effect.

Introduction of sterling silver

999 pure silver means that the content is 99.99%, basically pure silver. 9.999 Silver is very soft because of its high purity, so it is difficult to manufacture complex and diverse accessories. 925 silver will do. Therefore, 925 silver is the international standard silver for silver jewelry, pure silver, that is, metallic silver with a content close to 100%. However, because silver is an active metal, it can easily react with sulfur in the air to form silver sulfide, which turns it black.

Therefore, pure silver in life generally refers to pure silver with a content of 99.99% or 92.5%. It is easy to recognize from the appearance, that is, bright silver. The higher the silver content of silver jewelry, the whiter the silver, and the surface of the jewelry looks shiny and polished evenly. If jewelry contains lead, it will appear blue-gray.