Magnesium bars generally refer to magnesium strips. Magnesium strips generally refer to metallic magnesium prepared into strips, the chemical symbol is Mg, and the appearance is a silver-white solid with metallic luster. The magnesium content in magnesium strips is generally above 99.96%. It is insoluble in water, but can react with hot water. Its melting point is 648°C and boiling point is 1107°C. It can be burned, and its ignition temperature is 480-510°C.