Name: Cerium Oxide Polishing Powder (Rare Earth Oxide )
Other Name:Cerium(IV)oxide,Cerium dioxide,Ceria, Ceric OxideFormula ：CeO2
Melting point: 2600ºC
Applications:
Widely applied in glass, ceramics and catalyst manufacturing. In glass
industry, it is considered to be the most efficient glass polishing
agent for precision optical polishing. It is also used to decolorize
glass by keeping iron in its ferrous state.
The ability of cerium-doped glass to block out ultra violet light is
utilized in the manufacturing of medical glassware and aerospace
windows.
It is also used to prevent polymers from darkening in sunlight and to
suppress discoloration of television glass.
It is applied to optical components to improve performance. High
purity Ceria are also used in phosphors and dopant to crystal.
Preparation Method: Oxalate Precipitation Method, Cerium Chloride or
Cerium nitrate liquor as raw material,use ammonia water to make the Ph
down to 2,drop Oxalic acid subside the cerium oxalate,after thermal
maturation,separate,washing,drying under 110℃,keep the temperature at
900～1000℃ firing into Cerium Oxide. Ce2(C2O4)3→2CeO2+2CO2+4CO
Product Features:
（1-Average particle size is about 0.5 m, and the max size less than 2 m.
（2-It has several advantage such as fast rate of polishing, excellent
abrasion resistance, great suspension and easy to clean.
Composition:
TREO La2O3 CeO2 Pr6O11 Nd2O3 Fe2O3 CaO MgO F H2O
％ >94 <0.1 >99.9 <0.01 <0.01 <0.01 <0.5 <1 3-5 <0.5
Physical Index:
Particle Size: D10>0.1 m, D50: 0.5-0.8 m, D100<3 m; pH=7~8
Packing:
Net Weight: 20 kg.
Safety:Non-toxic, tasteless, non-irritating, safe, reliable, stable
performance, with water and organic chemical reaction does not occur,
is an ideal new or UV sunscreen agents。
Acute toxicity: Oral - rat LD50:> 5000 mg / kg; the abdominal cavity -
mouse LD50: 465 mg / kg. Flammability hazardous characteristics:
flammable.Storage characteristics: low temperature air drying
warehouse. Extinguishing Media: Water.
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