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  • Tellurium
  • Property Silver gray substance, insoluble water non-oxidized acid. Insoluble in nitric acid, strong vitriol hot strong alkali solutions. Tellurium, a kind of dissipated element, Tellurium and its chemical compound are semiconductor material...

  • Selenium Dioxide
  • Property It is high content in the selenium product . It can take chemical combination effect with the metal directly . It has the electro and heat conductive function . It is the photoconductive material . Usage It is widely used in electr...

  • Selenium Ingot
  • Property It is high content in the selenium product . It can take chemical combination effect with the metal directly . It has the electro and heat conductive function . It is the photoconductive material . Usage It is widely used in electr...

  • Selenium Powder
  • Selenium Powder Property Amorphous red powder/ingot, When heated, it turns to crystal and turns into during the long term storage. The S.G.of Crystalloid Selenium powder is 4.5g/cm3, with M.P.of 685℃; Amorphous selenium will soften at 40℃...