Leaded solders are suitable for a number of General Purpose applications. These products are safe to use with any of their Fluxes. Please note that General Purpose solder can't be used for Plumbing applications. .90 oz/26grams, 0.062" diameter solid solder wire, solder coil, with acid flux in 0.50 fluid oz. tube, carded. Alloy: 40% Tin, 60% Lead. Begins to melt at: 361 degrees F. Completely melts at: 460 degrees F.