Kester 24-6040-0039 - SN60PB40 66 Core 44 Flux Wire Solder .040 Dia

Kester 24-6040-0039 is a 1 lb spool of leaded wire solder that has a .040 inch diameter. It is comprised of SN60PB40, or 60 percent tin and 40 percent lead. Additionally, it has a 66 core and a 44 (RA) flux type. Kester 44 Rosin Flux has virtually dominated the field of activated rosin core solders for well over four decades. 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. Performance Characteristics:High activity RA formulationExcellent solderability to a wide variety of metallizationsIndustry standard RA cored wire for decadesClassified as ROM1 per J-STD-004