Place of Origin: China (Mainland) 
Model Number: Se 
Shape: Ingots 
Material: Selenium 
Dimensions: Ingots 
Chemical Composition: 99.999% 
Packaging & Delivery 
Packaging Detail: 
Vacuum packing. 
Delivery Detail: 
10-15 days. 
Specifications 
Selenium +99.999% 
Selenium (Se) 
1, Physical character: 
Atomic Weight: 78.96 
Electronegative: 2.48 
Density: Ρ =4.82 g/cm3 
Melting Point: MP: 217 ° 
Boiling Point: Bp: 684.9 ° 
2, Specification: 
High Purity Selenium: 
Se-05 Grade 99.999. The content of Selenium is above 99.999%. The total content of AG, Al, Bi, CD, Cu, Fe, Co, In, Mg, Ni, Pb, Sb, Te, Zn, Mn, Ca & Tl is bellow 10 ppm; 
Uitra Purity Selenium: 
Se-06 Grade 99.9999. The content of Selenium is above 99.9999%. The total content of AG, Al, Mg, Au, Bi, CD, Co, In, Cu, Fe, Te, Pb & Ni is bellow 1 ppm. 
3, Physical Size: 
Virgulate, Powder. 
4, Usage: 
It is mainly used in the preparation of the material of the selenium drum, photoelectric material, electrostatic photogragh and other materials of optical instrument... 
5, Packing: 
It is packed with dacron film, then covered with a sealed plastic film bag.