Sulfur 99.999% Sulfur (S)1, Physical character:Atomic Weight: 32.06Electronegative: 2.44 ... Point: bp: 444.8 °C2, Specification:High Purity Sulfur:S-05 Grade 99.999. The content of Sulfur is above ... , Se & Zn is bellow 10 ppm;Uitra Purity Sulfur:S-06 Grade 99.9999. The content of Sulfur is above ... Pb & Sn is bellow 1 ppm;3, Physical Size:Virgulate, Powder.4, Usage:It is mainly used in the manufacture of ...