... semiconductor, High purity alloy, superconducting material, Solder and as Tin (Sn)1, Physical character:Atomic Weight: 118.69Melting Point ... 99.999. The content of Tin is above 99.999%. The total content of Ag, Al, As, Au, Bi, Ca ... , Co, Cu, Fe, In, Mg, Ni & Pb is bellow 10 ppm;Uitra Purity Tin: ... 99.9999. The content of Tin is above 99.9999%. The total content of Ag, Al, Au, Ca, Co, Cu ...