Magnesium foil is widely used in 3C product shell, automobile cover plate, door panel and lining, LED lampshade, packaging and transportation box and so on. Magnesium sheet and magnesium foil are also the main metal materials to replace steel, aluminum and plastic plates in the future. The latest technology to produce sound, its vibrating film is also made of magnesium alloy foil.

Due to magnesium casting technology and injection molding technology, in the preparation of alloy thin-walled parts, there are many problems, such as low yield, blank processing process, thin wall thickness limitation, and casting technology itself defects, so that this kind of technology is limited in the production of magnesium thin-walled parts. At the same time, the demand for magnesium foil is becoming increasingly strong.

And the mass supply of magnesium foil, used in industrial design, is the standard of mature application of magnesium. Magnesium foil can improve the utilization rate of materials, convenient transportation, easy processing, easy storage. Most importantly, as a standardized metal material, sheet and magnesium foil can greatly promote the application and popularization of magnesium sheet after being widely used in industrial design.

In addition, the surface treatment technology, stamping technology and heat treatment technology of magnesium foil are gradually mature, which brings new development for magnesium alloy sheet, magnesium alloy strip, magnesium alloy sheet and magnesium alloy profile.

The preparation technology of magnesium foil is also progressing. When preparing sheet metal, if the purification technology of magnesium alloy billet is not good, the weight of single billet during pouring is small, and the amount of billet inclusion is high, and the finished yield of rolled magnesium alloy strip is low. If the rolling technology is not mature, the thinner the rolled magnesium alloy sheet, the more likely it is to crack, and the width of the sheet is also limited. The single roll weight, width and thickness of deformed magnesium alloy strip are important research directions of magnesium alloy rolling technology, which can be used to evaluate the economy, advanced technology and development prospect of a magnesium sheet preparation technology.