MuMETAL Magnetic Shielding Foil .002" Thick 8" x 12" Sheet MuMetal Flexible Shield for sensitive electronics and components Not suitable for shielding two magnets or permanent magnets (i.e. neodymium) For shielding low intensity, low-frequency H-fields up to 1kHz AC or static DC Chemical Composition: 80% Nickel, 5 % Molybdenum, 15% Iron Fully annealed for maximum shielding characteristics