Flux
Fluxes, also known as fluxes, are both paste and liquid. Metallurgical is a material that is chemically cleaned to weld the surface of the weld metal for soldering, brazing, or positioning. Welding of different metals used in the flux is also different, such as: welding tin with ammonium chloride or rosin; welding galvanized iron and other zinc-based materials with hydrochloric acid or zinc chloride; brazing or copper positioning welding black Metal with borax. The welding material is easily adhered to the surface of the corresponding weld metal after melting at high temperature, but these metal surfaces are easy to form oxide at high temperatures, making it difficult for the welding material to adhere to the surface. The flux is stable at room temperature, has a strong reducibility at high temperatures, and is capable of removing the oxide layer on the metal surface. In addition, the flux in the soldering and brazing process can also play the role of wetting agent. ...