The Kester 331 water soluble flux core lead-free solder wire is another quality product from Kester. Melting point is reached at a temperature of +423 F. Its manufactured as a water soluble flux core. Total composition for this water soluble flux core lead-free solder wire is sn96. 5/ag03/cu0. 5. Features: Sale Unit: EACH Brand: Kester Series: 331 Core Type: Water Soluble Flux Core Wire Diameter: 0. 02 in.
