Solder Wire Form Flux-Cored Wire Material Composition 96.5 Percent Tin 3 Percent Silver 0.5 Percent Copper Wire Diameter 0.032 in Weight 11 g Melting Temperature (Minimum) 422 Degrees F Melting Temperature (Maximum) 430 Degrees F Flux Type No-Clean Flux Classification NC Solder Series Lead Free Application Lead-Free Soldering Color Gray Container Type Tube Standards RoHS Compliant