... AgNi10/Cu AgSnO2/Cu AgZnO/Cu Ag/Cu Quality Control:1. no oil,indentation, pit circle printed, needle stain, tearing, ... widely used in small and medium-sized current contactor,starter,temperature controller,switches,etc.undercurrent contact devices,microswitches and precision instrument. ... ,83.51.5,2.01~3.04.01.0,1.2,1.52.08,104.52.0,2.55.01.0 ... 155.52.5,3.06.03.015,206.51.2,1.5,2.00.5~0.73.0,3.57. ...