Delta 99C selective solder wire is an SnCuNiGe alloy for lead-free soldering.
Is said to be a drop-in replacement for leaded solder. Contains no silver or bismuth. Melting range is 441°F (227°C), and meets J-STD-006C and RoHS Compliant specifications. Comes in 8lb. spool, in diameters of 0.79” (2.01mm) or 0.092” (2.33mm).
Qualitek
www.qualitek.com