... ,breaker,starter,motor 4,ISO9001,SGS silver contact electrical contact and contact materialsContact type: rivet/button. According to ... Pure silver has a high level of electrical and thermal conductivity, good plasticity and arc corrosion resistance, as well as a ... , relays, electric tool switches, buttons, timers, and other household electrical appliances.AgNi /Cu bimetal rivet: In low voltage ...