AQUANOX A4727 is an award-winning electronics assembly cleaning solution that provides exceptional results when cleaning printed circuit boards and advanced packaging assemblies. A4727 has been lab and field-tested in spray-in-air processes and has proven effective on all solder flux residues, including the most difficult Pb-free and no-clean formulations. AQUANOX A4727 meets your cleaning requirements with advanced technology that gives a stable pH, superior risibility and predictable compatibility throughout its long bath life.