high purity mg ingot 1.CAS NO: 1309-48-4. 2.ISO9001:2000. 3. ... content: 99.95%, 99.98%, 99.9 Typical Specification:Magnesium ingot content >= 99.9%, Si content <= 0.03% Mg99.90%minSi0 ... follow:magnesiun powder: 60 mesh, 80 mesh, 100 mesh... magnesium ingot: 99.99%, 99.98%,99.95%,99.90%, weight: 100g ...