Grade: 99.9%
Size: -500mesh, -325mesh, -250mesh, -100mesh, -60 mesh, -40mesh, -20mesh, -10mesh or as customized

Special requirement is welcome!

Main content (% min.)		Rare Earth Impurities (in TREM, % max.)									Non-Rare Earth Impurities (% max.)
Er/TREM	TREM*	Eu	Gd	Tb	Dy	Ho	Tm	Yb	Lu	Y	Fe	Si	Ca	Al	Mg	W	Ta	O	C	Cl
99.9	99	0.001	0.001	0.001	0.01	0.005	0.001	0.001	0.001	0.03	0.15	0.01	0.05	0.01	0.01	0.05	0.01	0.15	0.01	0.01

[*]TREM: total rare earth metal