High performance lead solder wire 1.Good weldability and low residue; 2.little splash and high reliabilit Introduction of lead solder wire sn55pb451.our products can be applied in welding on radio, communication, meters, instruments, copper, tin and irons and etc . 2. it has smooth surface and good fluidness melt.3.it has good mechanical performance.4. after welding , there has bright weld spot. ...