Caig Laboratories,RSF-R39-2 ,Solder Flux 2oz. Jar
RSF-R39 Rosin No Clean Flux is a mildly-activated rosin flux that is considerably more active than water-white rosin
Recommended for electrical and electronic soldering applications
Excellent for P.C.B repair and rework
No refrigeration necessary
Can be safely left on the circuit board after reflow without cleaning