Forney 38108 Solder, Silver/White, 4 oz

40% tin, 60% lead. Use with appropriate type flux such as Forney 38120, ruby fluid, Forney 38125, paste flux or Forney 38127 and 38128, hi-temp fluxes. Tensile strength of 4900 psi. Melting temperature rating of 460 deg F (238 deg C). Not suitable for aluminum.