Silver/Copper Contact is in low concentrations increases the mechanical hardness ... ,switch,contactor,breaker,thermostat 4,ISO9001,SGSContact Rivets,Solid Rivets,Pure Silver RivetsCertificate ISO 9001:2008, RoHS, SGS, etcMaterialsAgCu, AgCdO, ... AgSnO, AgZnO, AgNi, AgSnOInO, Ag, Cu, etc ApplicationsLow Voltage Electrical Appliances and Households,such as Switch ...