IPA is not, however, the best cleaner available on the market. That is because IPA is usually readily available and relatively inexpensive. Isopropyl alcohol is the #1 solvent used to remove flux off of electronic assemblies. The flux residues left after the soldering process often has to be removed because it is looks bad, is corrosive, and negatively impacts conformal coating adhesion. It promotes proper wetting of the solder, so it flows over the metal surfaces and creates a metallurgic bond. Please note these products do not have antiviral properties, so cannot be used to replace IPA for surface cleaning to kill COVID-19 and other viruses.įlux is used to prep the surface of the contact and lead before soldering. Flux removal from wave soldering fingers, selective soldering nozzles, pallets.Maintenance cleaning of SMT reflow ovens.Removal of solder paste or adhesive from SMT stencils.Electronic printed circuit board (PCB) assembly. Techspray offers alternatives to IPA that are as effective if not more so, and in many cases nonflammable with lower environmental impact. This will be particularly challenging for companies using IPA for flux removal, stencil cleaning, and industrial degreasing. Isopropyl alcohol (CAS #67-63-0), also referred to as IPA, isopropanol, and 2-propanol, may be in short supply for the coming weeks or months because of the COVID-19 (Novel Coronavirus) pandemic. Soldering Iron Tips for Hexacon, American Beauty, and Other Stations.
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