Johnson's Safe Flux-14 is extremely effective for brass, copper and steel soldering by dipping parts into molten solder. A major use is for automotive radiator and heat exchanger soldering of header plates to tubes. No corrosive residues remain after the fluxed areas are heated to above solder melting temperatures.
Safe Flux-14 should be diluted with an equal volume of water for radiator header dip soldering. Parts to be soldered are dipped into the flux and drained immediately before soldering. Extreme care must be taken to avoid wetting areas with flux that will not be heated to soldering temperatures. This heat is required to decompose the flux so that it cannot corrode the metal later.
View our Technical Bulletin on this product.
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