Quick Detail
Place of Origin
HS-CODE
27-
Package & Delivery Lead Time
Detailed Description
rose at hzzcmetal doc com
We can supply selenium series as follows:
1. Crude selenium with selenium 20-99%
2. Selenium powder
High-purity Selenium
We sale High-purity Selenium like 4N 5N 6N Shape lump, grain, ingot
High-purity Selenium 99.99% ，99.999%，99.9999% Shape: lump, grain, ingot
Molecular Formula Se Molecular Weight 78.96
Melting Point 217 degree Boiling Point 685 degree
Appearance and shape
Grey or black glass material, hard but brittle.
Main application
it is used in making glass, semiconductor materials for infrared optical lenses, selenium drum materials and test, and photometric, SCR, medicine, chemical industry, metallurgy, glass industry, float glass (tea glass, glass, glass blue ash, etc.), cadmium red, electronic industry, Xerox, etc.
Selenium (Se)
1, Physical character:
Atomic Weight: 78.96
Electronegative: 2.55
Density: ρ=4.81 g•cm−3
Melting Point: 221 °C
Boiling Point: 685 °C
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:
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.
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