... 2,AgCdO,AgSnOInO,AgNi,AgZnO,AgCu,Cu 3,Usage:relay,switch,contactor,breaker,thermostat 4,ISO9001,SGS Contact type: ... flash relays, auxiliary switch series, timers, starters, breakers and leakage protective switches. AgZnO rivet and AgZnO/Cu bimetal rivet:The ... is more difficult to processing these two materialsUsage:Breaker,relay,contactor,timer,thermostat,train,swithes and other home appliances ...