... -4. 2.ISO9001:2000. 3.Reputation and Quality first. 4.Mg content: 99.95%, 99.98%, 99.9 Typical Specification:Magnesium ... ingot content >= 99.9%, Si content <= 0.03% Mg99.90%minSi0.025%maxAl0.02%maxFe 0.04%max ... Cu 0.004%max Mn 0.03%max Cl 0.005%max Ni 0.001%max Company ... %, weight: 100g,200g,300g,5kg,7.5kg,12kg... high purity mg ingot