Stannol solder wire lead-free Sn99.3/Cu0.7, 0.7 mm, spool 100 g. Ecoloy HS10. Modern lead-free soft solder according to the latest findings and requirements for fine and contact soldering, which require corrosion resistance and high working speed in production. Core with resin flux (best quality collophonium with additives), no other fluxes are required, alloy Sn 99.3% / Cu 0.7%, melting point 227°C. Small spool of 100 g.