| Model NO.: | 4n-7n |
|---|---|
| Packaging Qty: | 1 |
| Min. Order (MOQ): | 1kg |
| Manufacure Name: | Xinlong |
| Customization: | Available Customized Request |
|---|
Selenium (Se) 1, Physical character: Atomic Weight: 78.96 Electronegative: 2.55 Density: Ï=4.79 g·cmâˆ3 Melting Point: 221 ℃ Boiling Point: 685 ℃ 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, In, Mg, Ni, Pb, Sb, Te 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, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow 1 ppm. 3, Physical Size: Lump, Powder ，Shot 4, Application: 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: Vacuum packaging
