... The Silver-Nickel (AgNi) Contact Possesses high electrical conductivity, low-stable contact resistance, good wear resistance. And ... Composite ContactsCharacteristic:Silver-Iron (AgFe) has good electric conductivity, heat conductivity, non-toxic, wear resistance. The contacts are ... :Silver-Cadmium alloy (AgCd) has good electric conductivity and some ability of arc elimination, been used ...