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, Ga, In, Mg, Ni, Pb, Sb, Te & 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, Au, Bi, Co, Cu, Fe & Ni is bellow 1 ppm.
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...