40/60 Rosin Core Solder
Designed for electrical-electronic work, flux residue is non-corrosive and non-conductive. Can be used on wiring in stereos, motors, appliances and auto batteries. Rosin flux is contained in the wire core; no external flux is needed. Contains lead – can not be used on drinking water lines. Melting range: 361°F - 460°F. 40/60 solder is 40% tin - 60% lead.