soldering flux

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Noun1.soldering flux - flux applied to surfaces that are to be joined by soldering; flux cleans the surfaces and results in a better bond
flux - a substance added to molten metals to bond with impurities that can then be readily removed
References in periodicals archive ?
A solder bump separation mechanism is suggested based on the reaction between Al and Cl, related to the flow of soldering flux.
The five day course covers the regulations for ground, air, and ocean shipping of hazardous materials like soldering flux.
Apart from high-performance batteries, lithium carbonate is used for soldering flux, in lubricants, focal lenses, and ceramics.