Helps solder to "cling" to metal by removing oxide buildup. Also helps spread out solder by reducing surface tension. Liquid flux is crucial for surface mount soldering and desoldering, but usually not necessary for through-hole components.
scott, Author at Curious Inventor
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Old Master's is an instructor trusted all-purpose liquid flux for soldering copper foil and lead came. Made by Novacan, it is specifically designed
Old Master's Flux
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