Because gold foil is a thin gold sheet made of gold bars after chemical cleaning and beating, it can be divided into edible gold foil and decorative gold foil, and the gold content can reach 99.99%.

Gold has good ductility and plasticity. One gram of gold can be made into 0.5 square meters of pure gold foil. Gold foil is a thin sheet made of gold hammer, which is divided into edible gold foil and decorative gold foil.

The gold content of decorative gold foil can reach 99.99%, which is made of gold bars by chemical cleaning, pulping and other processes. Golden color, bright color. Ancient Egypt was the first country to discover and make gold foil. Edible gold foil contains more than 99.9% gold, which also belongs to gold.

International origin of gold foil

There are five gold foil production bases in the world, namely China, Japan, Italy, Germany and Thailand. Japanese gold foil technology was handed down during Jian Zhen's eastward crossing, mainly produced in Kanazawa, Japan. The largest gold foil factory in Kanazawa has been entrusted to Nanjing Gold Foil Group for processing.

Now the Italian and German gold foil factories are closed, so now China Nanjing is the largest gold foil production center in the world. Although gold foil is a traditional Chinese handicraft with a history of 1700 years, it is as thin as cicada's wings, pure in color, uniform in thickness and unchangeable for a long time. It is a symbol of wealth and brilliance, but the earliest discovery of gold foil was in the Nile valley of Egypt.