magnesium ingot with weight 100g, 300g, 500g,1kg, 4kg, 12kg, 16kg and 125kg. 99.90%-99.95%, packing with 1mt bag. Usage:Widely used in national defence. Chemical. casting. shipping. astrogate. photogtaph. etc. It is the basic materials of producing magnesium series products. Specifications: Chemical composition%Mg(min)FeSiNiCuAlMnCTiPbZnOthersMg 99.9899.980.0020.0030.0050.0050.0040.0020.0020.0010 ...