reducing agent commonly used to do to replace titanium, zirconium, uranium, beryllium and other metal. Is mainly used for manufacture of light metal alloys, ductile iron, scientific instruments, sorbent dehydrogenation and Grignard reagents can also be used for making fireworks, flash powder, magnesium and so on. Structural characteristics similar to aluminum, with a light metal for various purposes can be used as aircraft, missiles, alloy materials. However, magnesium ignition flammable gas, which limits its application.