This all-weather flux is the ultimate flux for all copper soldering that meets industry standards, with NSF & UPC approvals
Cleans pipe upon application, allowing solder to run more smoothly around the pipe
Water-soluble paste won?t leave residue in water piping
Meets industry standard ASTM B813 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 & maleable iron
Made in USA
4oz
