Button Contact is in low concentrations increases the mechanical hardness and ... 2,AgCdO,AgSnOInO,AgNi,AgZnO,AgCu,Cu 3,Usage:relay,switch,contactor,breaker,thermostat 4,ISO9001,SGSContact Rivets,Solid Rivets,Pure ... , Cu, etc ApplicationsLow Voltage Electrical Appliances and Households,such as Switch,Relay,KSD,Circuit Breaker,Contactor,train,protector,timer,etc. SamplesOur ...