Solder Wire Form Flux-Cored Wire Material Composition 96.5 Percent Tin 3 Percent Silver 0.5 Percent Copper Wire Diameter 0.04 in Weight 0.6 oz Melting Temperature (Minimum) 419 Degrees F Melting Temperature (Maximum) 424 Degrees F Flux Type Rosin Flux Classification ROL0 Application Lead Free Rework and Repair Portable SAC 305 Alloy Container Type Tube Features Lead Free Type ROL0 Flux per IPC J-STD-004 Flux Requirement Contains Flux Core Spool Length 125 in