- Wire diameter: .031"
- Core size: 66
- Alloy: Sn96.5Ag3.5 (96.5% tin/3.5% silver)
- Melting range: 430°F/221°C
- Spool size: 1 lb
Kester 24-7040-0027 is Lead Free, Fully Activated Rosin Cored Soldering Wire. 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.