![]() ![]() The manufacturer would not warn against using the flux if there were no reason. However damage to fine wires is likely (problems would be far more evident if this were use on a pcb). It helps to keep the surfaces clean from oxidation and acts as a magnet. The amount you are using is only going to cause corrosion for a short time (until the chlorides are consumed) likely the damage is simply to small to easily detect. Flux is a pasty or liquid substance that helps in the soldering, and welding processes. 5 for high tech electronics manufacturing. I challenge anyone that wants to quibble about it to point out an effective flux that is less toxic, less hazardous, and less corrosive for routine day to day soldering tasks. Water-soluble fluxes use a mild detergent to clean the surface of the metal, while organic fluxes use a rosin-based solvent that dissolves in alcohol or other solvents. In most of the uses I make of that flux (all the common soldering tasks done in RC) I do not do any cleaning other than wiping away the brown, slightly oily or greasy, residue. People use the first one for lead-free solder alloys, while organic-soluble flux is usually used with tin-lead solder alloys. I clean away any visible residue on solder joints with a rag wetted with a mild solvent or warm water. I have not once ever in the 20 years or more I have used it on electrical work seen a single green, fuzzy, corroded solder joint or blackened or corroded metal. If it was as corrosive as the acid fluxes I have used in the past I would have seen some evidence of that by now. ![]() I do not lick my fingers if I get any flux on them. The stuff is about 60% petrolatum (i.e., Vaseline) and contains: ![]()
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