Indium 53563-0454 60/40 No Clean Wire Solder, 2.7-3.2% Core .032in. 1lb Sn60Pb40 (60/40) 0.032 in. diameter CW-807 Series RMA (Rosin Mildly Activated) No-Clean Flux 2.7-3.2% Core Size 1 lb. Spool, 3 year shelf life (&lt;26C & &lt;60% RH)