a perfectly clean surface of aluminium is very active chemically and
1Flux (metallurgy) — Rosin used as flux for soldering A flux pen used f …
2Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
