Flux is a chemical cleaning agent used before and during the soldering process of electronic components onto circuit boards.
Flux is used in both manual hand soldering as well as different automated processes. It can be used as a separate material or as a component in solder paste/ solder wire.
Another aspect of flux is the need to clean it off the circuit board after it has done its job. Some fluxes are corrosive, and their residue may continue their activity and harm the circuit board long after it has been manufactured.
BENEFITS:
- Prepare the PCB surface for soldering by cleaning and removing any oxides and impurities.
- Protect surface from re-oxidation during soldering
- Help to increase the surface energy of PCB surface – then soldering material can be better at wettability.
