The IME8 from KITAGAWA INDUSTRIES America, Inc. is a Microwave Absorber with Frequency 10 MHz, Thickness 0.004, 0.0078, 0.02, 0.04 Inch/0.1, 0.2, 0.5, 1 mm, Thickness 0.004, 0.0078, 0.02, 0.04 Inch, Thickness (mm) 0.1, 0.2, 0.5, 1 mm, Magnetic Permiablitity 30 u. Tags: Ferrite. More details for IME8 can be seen below.