Kester 24-6337-0061
Kester “44” Rosin Activated Flux is excellent for instant wetting action. A reliable solder formula for production line soldering. RA flux core solder is the industry standard for electrical and electronic hand soldering.

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Kester Sn63 Pb37 ( 63-37 ) #44 Product Performance
• One of our most popular Kester solders
• Excellent for instant wetting action
• Residue is non-corrosive and non-conductive under normal conditions
• High activity RA core flux provides excellent wetting action even on nickel surfaces
• Residues are non-corrosive if not cleaned
• Industry standard for electrical and electronic hand soldering
• Excellent solderability to a wide variety of metallizations

• Compatible metals: platinum, gold, copper, tin, solder, silver, nickel, cadmium, brass, lead, bronze, rhodium, beryllium copper, palladium, immersion tin and immersion silver

Kester 24-6337-0061 Specifications:
• Alloy: Sn63 / Pb37 ( 63% tin – 37% lead )
• Wire Diameter: .062″ / 1.50mm / 16 AWG
• Flux: #44 RA Rosin-Activated
• Core Size: regular 3.3% flux by weight ( 66 )
• Melting Range: 361-374º F ( 183-190º C )
• Classified as ROM1 per J-STD-006C
• Case qty: 25 lbs.

Applications
• Production line soldering
• Single-sided board soldering
• Solder dipping applications

Fluxes: If needed, Kester 186 Mildly Activated Rosin Flux may be used as an aid in reworking soldered joints. Available in gallon, 5-gallon, drum and flux pen sizes.