Kester 24-6040-0053 Solder Roll, 66 Core Size, 0.050" Diameter
Rosin inch 44 inch is a high activity RA core flux designed for excellent instant wetting action, even on nickel surfaces. Although" 44 inch is a ra-based material, the residues are non-corrosive If not cleaned. Per j-std-004b," 44 inch is classified as Rom1 flux.
