SWAS Safewash Super SWAS is ideally suited for the removal of very stubborn flux resides and no-clean fluxes, which can be extremely difficult to remove. SWAS will remove them to military cleanliness standards. It is ready to use and also contains a corrosion inhibitor for use with sensitive metals. It also has a lower odour than the other Safewash variants and is easy to rinse. SWAS is part of the Electrolube Safewash range; water-based, non-flammable, biodegradable solvent blends designed to clean to within military cleanliness standards, (ANSI-J001B/IPC TM-650).