... compound semiconductor, High purity alloy, superconducting material, Solder and as Tin (Sn)1, Physical character:Atomic Weight: 118.69Melting Point: mp ... : bp: 2260 °C2, Specification:High Purity Tin:Sn-05 Grade 99.999. The content of Tin is above 99.999%. The total ... is bellow 10 ppm;Uitra Purity Tin:Sn-06 Grade 99.9999. The content of Tin is above 99.9999%. The total ...