Samples were prepared of polyethyleneterephthalate (PETP) films stretched in adsorption-active medium, with their porous structure filled with silver chloride by the method of counter-diffusion from solutions of silver nitrate and sodium chloride in a dialysis cell. By subsequent treatment of this film with a photodeveloper, highly disperse blends of PETP with metallic silver were obtained. The applied counter-diffusion method is more effective than procedures previously used for filling the porous craze structure in the polymer.