What is the difference between gold jewelry and K gold?

What is the difference between gold jewelry and K gold? -Accessories In front of major jewellery counters, people can often see 'K gold' on the label of gold jewellery. So what is 'K gold'? What is the difference between pure gold and K gold? Let the jewelry share with you: Gold is a kind of precious metal with beautiful luster, and it is one of the earliest metals used by mankind. The biggest feature of gold is that it is not easy to oxidize, and does not change color even at a high temperature of 1,000 degrees, so it has gained the reputation of 'real gold is not afraid of fire'. However, there is no absolute pure gold, and the general industrial gold is also around 99.99%. It can be seen that the argument that 'gold has no pure gold' is not unscientific. Generally speaking, pure gold (also called pure gold and pure gold) has a purity of about 90%. Because of the low hardness and good plasticity of pure gold, jewelry made of pure gold is not wear-resistant and easy to deform, so now people rarely use high-purity gold to make jewelry, but after mixing pure gold into K gold reuse. K gold is an alloy formed by fusion of gold and other metals. Gold-copper alloys and gold-silver alloys are commonly used in jewelry production. Gold-copper alloys are slightly purple, while gold-silver alloys are slightly yellow. For this reason, K-gold jewelry is generally plated with gold before finished. In addition, if you want to add other metal elements to gold, you can also make a variety of color K gold jewelry such as cyan, blue and red. The so-called 'fineness' refers to the gold purity of gold jewelry, usually expressed by 'K'. As mentioned above, because pure gold is soft and easy to wear, when it is used to make jewelry, a small amount of silver, copper, and nickel must be added. Wait for the metal to harden. In this way, the fineness difference of gold jewelry is produced. K gold is divided into 24K according to its fineness, which is 24%. 24K gold is pure gold, with the highest fineness; 18K gold means that the alloy is in the alloy The gold content is 18%, and other metals account for 60%. The percentage of gold content in K gold jewelry is: 8K -33%; 9K-37.5%; 10K -41.7%; 12K--50%; 14K-59%; 18K --- 75%; 20K -83%; 22 K-91.67%. At present, the popular K gold jewelry products at home and abroad are: 9K gold is popular in the United Kingdom, 14K gold is popular in the United States and Northern Europe; 18K gold jewelry is most welcome in Hong Kong; Pure gold 24K or 22K gold jewelry. Well, today’s knowledge about K gold jewelry will be shared here for everyone. If you have any questions, please contact us: