LA-CO Regular Flux is the ultimate flux for all copper soldering applications, the all-weather water-soluble paste won’t leave residue in water piping and contains no zinc chloride to reduce corrosion concerns.
Non-acid, non-toxic, and lead-free to eliminate safety concerns
For use on copper, brass, galvanised iron, lead, zinc, tin, silver, mild steel, terne plate, and malleable iron
Cleans pipe upon application, allowing solder to run more smoothly around the pipe
All-weather formula for use in hot and cold climates
meets industry standard ASTM B813
NSF and UPC approvals
Made in USA
Lead-free general soft solders; copper soldering
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