The Kester 44 Rosin Flux is an activated rosin formula for use in flux-cored solder wire. An outstanding performance feature of this flux is the "instant-action" wetting behavior. The high mobility and fast-spreading action of this flux results in more reliable production line soldering.
Kester 24-6040-0039 Features: • High activity RA formulation •Excellent solderability to a wide variety of metallizations •Industry standard RA cored wire for decades •Classified as ROM1 per J-STD-004