Grade: 99.9%, 99.99%, 99.99% distilled
Diameter: 5mm, 8mm, 10mm, 20mm, 50mm, 100mm, 200mm, 300mm, 500mm, 1/8", 1/4", 1/2", 1", 2", 4", 8", 16" or as customized
Thickness: 2mm, 3mm, 5mm, 10mm, 20mm, 50mm, 1/8", 1/4", 1/2", 1", 2" 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
99.99 (sublimed)	99.9	0.001	0.001	0.001	0.003	0.005	0.005	0.001	0.001	0.003	0.01	0.005	0.005	0.005	0.005	0.05	0.0005	0.015	0.005	0.005
99.99	99.5	0.001	0.001	0.001	0.003	0.005	0.005	0.001	0.001	0.003	0.1	0.01	0.05	0.01	0.01	0.05	0.01	0.15	0.01	0.01
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