ZIBO HSD CHEMICAL CO.,LTD

Chemical composition Cerium oxide CeO2/TREO (% min.) 99.999 99.99 99.9 99 TREO (% min.) 99 99 99 99 Burn loss (maximum percentage) 1 1 1 1 Rare earth impurities ppm max. ppm maximum % maximum. % maximum. La2O3/TREO 2 50 0.1 0.5 Pr6O11/TREO 2 50 0.1 0.5 Nd2O3/TREO 2 20 0.05 0.2 Sm2O3/TREO 2 10 0.01 0.05 Y2O3/TREO 2 10 0.01 0.05 Non-rare earth impurities ppm max. ppm maximum % maximum. % maximum. Fe2O3 10 20 0.02 0.03 Silica 50 100 0.03 0.05 CaO 30 100 0.05 0.05 Lead oxide 5 10 Al2O3 10 Nickel Oxide 5 Copper oxide 5 apply: As the most efficient glass polishing agent for precision optical polishing in the glass industry; Decolorization of glass by maintaining the ferrous state of iron in the glass industry; UV blocking in the manufacture of medical glassware and aerospace windows; Prevents the polymer from darkening in sunlight and inhibits tv glass discoloration; Applied to optical components to improve performance. High purity CeO2 is also used as dopant for phosphors and crystals.