Permeability	Max TEMP (degree c)	UL94	Thickness (mm)	Frequency	Feature	Spec
K4E	20	85	V-1	0.3-1.0	Up to 10GHz	Standard	K4E
FK2	100	85	V-0	0.5	Up to 10GHz	Ultra High performance	DB
FK3	100	85	V-0	0.05-0.3	Up to 10GHz	Ultra High performance, Low price, Roll acceptable	DB
EFG	20	105	V-1	0.1-0.3	Up to 10GHz	H/F ,UL, For Wi-Fi	DB
EFH	60	105	V-0	0.05, 0.1	Up to 10GHz	H/F ,UL, For reflow soldering	DB
FX	60	105	--	0.025/ 0.05/0.08	Up to 10GHz	H/F ,Very thin, Roll	DB
EFR	60	105	V-0	0.05-1.0	Up to 10GHz	H/F ,High performance, UL	DB
EFA	60	105	V-0	0.03-0.3	Up to 10GHz	H/F, High performance, UL Red-P Free, Roll acceptable	DB
EFX	100	105	HB	0.05-0.5	Up to 10GHz	H/F, Ultra High performance	DB
EFF	130	105	V-0	0.07-0.3	Up to 10GHz	H/F, Ultra High performance, UL	DB
RM4A	50	85	--	0.1,0.2, 0.25.0.3	13.56MHz	For RFID	DB