**As a kind of ***, it is favored for its stable chemical properties and beautiful color. In the market, we often hear about different purity grades, such as 999 and 9999. So, what's the difference between them? This article will explain this issue in detail.
1. Purity differences.
First of all, we need to understand the purity of **. Purity is an important criterion to measure the quality of the **, the higher the purity, the higher the quality and value of the **. In the standard, the purity of ** is usually expressed in k, and 24k represents the highest purity in theory, which is 100%. However, in fact, due to the limitation of refining technology and cost, it is difficult to reach 24K in purity on the market.
*999 means that the gold content reaches 999% purity, also known as thousand-foot gold. This kind of purity ** is more common in the market, because of its high purity, golden color, deeply loved by consumers. At the same time, due to its high purity, the texture is soft and difficult to process, so special attention needs to be paid to prevent deformation when making jewelry.
*9999 means that the gold content reaches 9999% purity, also known as pure gold. Compared with **999, **9999 has a higher purity, so its color is richer and the texture is softer. However, because it is more difficult to process, it is also relatively higher. In the market, **9999 is mainly used in some high-end jewelry or investment fields.
Second, ** differences.
Due to the difference in purity, there is also a large gap between 999 and 9999. Generally speaking, 999's is a bit cheaper than 9999 because it is less pure. However, the specific ** will also be affected by market supply and demand, brand, technology and other factors.
3. Differences in use.
Due to its high purity and beautiful color, **999 is widely popular in the market. It is not only used to make various high-end jewelry, such as necklaces, rings, bracelets, etc., but also used to make some investment items, such as gold bars, gold bricks, etc.
*9999 is more often used in the design and production of high-end jewelry or souvenirs due to its extremely high purity. For example, some high-end brands or customized jewelry will choose to use **9999 to make. At the same time, due to its high value, it is also often used as an investment or collectible.
To sum up, although **999 and **9999 are both a purity grade of **, due to the difference in their purity, they have large differences in terms of ** and use. Consumers need to choose according to their needs and budget when purchasing. At the same time, in order to ensure the quality and value of the purchased products, it is recommended to choose regular brands and merchants to buy.