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Glass polishing powder/ Cerium oxide

  • source:admin
  • Time:02/26/2018

Rare earth cerium oxide glass polishing powder 

Applications of  Rare earth cerium oxide glass polishing powder

Rare earth cerium oxide glass polishing powder is used in ceramics, to sensitize photosensitive glass, as a catalyst and as acatalyst support, to polish glass and stones, in lapidary as an alternative to "jeweller's rouge". It is also known as "optician's rouge".

Rare earth cerium oxide glass polishing powder is also used in the walls of self-cleaning ovens as a hydrocarbon catalyst during the high-temperature cleaning process.

While Rare earth cerium oxide glass polishing powder is transparent for visible light, it absorbs ultraviolet radiation strongly, so it is a prospective replacement of zinc oxide and titanium dioxide in sunscreens, as it has lowerphotocatalytic activity. However, its thermal catalytic properties have to be decreased by coating the particles with amorphous silica or boron nitride. The use of these nanoparticles, which can penetrate the body and reach internal organs, has been criticized as unsafe.

Rare earth cerium oxide glass polishing powder has found use in infrared filters, as an oxidizing species in catalytic converters and as a replacement for thorium dioxide in incandescent mantles

cerium-oxide-polishing-powder_1

 

Properties of  Rare earth cerium oxide glass polishing powder

CAS No.

1306-38-3

Formula

CeO2

Appearance

White,yellow,red brown powder

Mol. Wt.

172.12

True Density

7.13 g/cm3

Melting Point

2400 Centigrade

Boiling Point

3500 Centigrade

 

 

 

 

 

Specifications of  Rare earth cerium oxide glass polishing powder

CeO2/REO content

color

D50 value

99.5%

red brown

11±0.5 um

99.95%

yellow

8±0.5 um

99.99%

yellow white

4±0.5 um

99.999%

white

4±0.5 um

 

Main functions of  Rare earth cerium oxide glass polishing powder

1.glass polishing

2.glass decoloration

3.glass coloring,painting

4.glass clarifying agent

 

 

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