1.mostly composed of tin with some copper. The alloy 2 wires have strong mechanical properties, and can 1.The Tin copper wire is mostly composed of tin with some copper. T2.he alloywires have strong mechanical properties, and can provide strong adhesion andsolderability as the sprayed metal layer of film capacitors.3.The products are complying with EU RoHS and WEEE directives on lead-free ...