KME Cu-ETP (electrolytic tough pitch copper) is an electrolytically refined, high conductivity copper that contains a minimum of 99.90% Cu and a controlled amount of oxygen in the form of Cu2O. It has a minimum electrical conductivity of 100% IACS. Cu-ETP is the most widely used grade of copper in electrical applications all over the world and represents over half of global copper use. This datasheet provides information on composition, physical properties, hardness, tensile properties, and bend strength as well as fatigue. It also includes information on heat treating. Filing Code: Cu-913. Producer or source: KME Germany GmbH.