Description: Beige to pink rare earth oxide powder typically used for polishing applications such as optical lenses, LCDs, mirrors etc.

Nominal Composition in Percent:

            Rare Earth Oxides          80-90

            Cerium Oxide                 60

            Amorphous Silica            3-6

Nominal Particle Size:                     1.0 -2.0 µm

Bulk Density:                                   0.65 - 0.70 gm/cc

pH in 5% Slurry:                             7-8

Suggested Slurry Temperature:     20^oC - 30^oC

Solubility:                                        Insoluble

Reactivity:                                       Non-reactive. Reacts only with strong acids or alkalis.

Stability:                                          Essentially inert