An electromagnetic shielding material comprising a composition consisting of Mn-Zn ferrite powders, conductive carbon powders and organic high molecular weight compounds. The Mn-Zn ferrite powders may be contained in the range between 30 and 70 vol %. The composition has 10.sup.2 to 10.sup.-1 ohm.cm...http://www.google.fr/patents/US4690778?utm_source=gb-gplus-shareBrevet US4690778 - Electromagnetic shielding material
