1The main purpose of metal magnesium is to manufacture :A. Various magnesium salts,B. Refractory materials,C. Light alloy,D. Silver-white antirust paint 2Main ingredient: Mg > 99.99%, Al : 5.85ppm, Si :4.10ppm , Mn:6.40ppm, Fe:7.82ppm, Zn:8.09ppm 3It is characterized by weak alkalinity, negative potential, reducing property, low dissolution and high safety 4The package contains 900g of magnesium block 5Magnesium generates high temperature during combustion and can be used as a thermite for welding steel rails
