Lead-free Solder Bar Solder Wire Rosin Core Tin Wire Environmental Protection Tin Wire $ 15.03 Product information: Purpose: welding of electronic components Scope of Application: Repair and welding of electronic products Specification: Sn99.3Cu0.7 Operating temperature: 325 Series: tin copper alloy Material: tin copper alloy Packing list: Tin copper alloy * 1 roll Product Image: