MG Chemicals Sn99 No Clean Lead Free Solder, 0.032" Diameter, 1 lb Spool Eutectic alloy (liquidus = solidus temperature) Alloy exceeds J-STD-006C and meets ASTM B 32 purity requirements Flux meets J-STD-004B The resin spreads like rosin-activated flux NSF - Nonfood Compounds Program Listed P1, NSF Registration #150087