Application, TFT-LCD glass. Abrasion hardness 60~150 optical spherical.   Product brief: 1,Application:   TFT-LCD glass.  Abrasion hardness 60~150 optical spherical. 2,Technical parameter: 

Chemical formula	Content		Physical Properties	Data
CeO2	62-70 percent		Central granularity    D50	3.5-4.0 um
La2O3	25-34percent		Maximum granularity  D100	≤11.93um
Pr6O11	1.0-1.5percent		Suspension	50-80
Other content	≤1percent		PH value	6-7
			Foam	comparison standard sample
			Impurity sand	comparison standard sample

rare earth polishing powder