TFT-LCD glass. Filter,optical window. Abarsion hardness 100~150 optical spherical.    1,Application:      TFT-LCD glass.    Filter,optical window.    Abarsion hardness 100~150 optical spherical.2,Technical parameter:  

Chemical formula	Content		Physical Properties	Data
CeO2	62-70percent		Central granularity    D50	2.8-3.4um
La2O3	25-34percent		Maximum granularity  D100	≤10.00um
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  

glass polishing powder