... We can supply the Tin solder bar and Tin solder wires Model and chemical content of lead-free solder barModelChemical content,% SnAgSbBiCuPbZnFeAlAsCdSn99.9599.96 ... 0.02<0.002<0.03<0.002Common solder barProduct pictureBlack Cat Solder Bar adopts extruded process, before extrusion, ... physical structure, rapid melting, less residue. Black Cat solder bar is widely used in high-class soldering and other ...