Kester 24-6040-0018 is a professional-grade solder wire featuring a Sn60Pb40 alloy composition with 3.3 percent 44 Rosin Activated flux, designed for precision electronics rework, PCB assembly, through hole soldering, and general repair work on smaller to medium components. The 0.025 inch diameter makes it ideal for detailed soldering applications where control and accuracy matter, from vintage electronics restoration to modern circuit board work. With a melting point between 183 and 190 degrees Celsius, this tin lead formulation offers the reliable wetting and joint strength that professionals depend on across decades of proven field use. Made in the USA by Kester, a trusted name in industrial soldering supplies, this 1 pound spool provides consistent performance for technicians and hobbyists who demand quality and traceability.
