The Chemtronics Techspray Isopropyl Alcohol (IPA) Wipes is use as flux removers (defluxers) remove flux residues and other contaminants left by manufacture, rework, or repair of printed circuit boards. It also removes residues from higher, lead free temperatures are more baked on and harder to clean. Techspray flux removers have been proven very effective at removing fluxes baked on at lead free temperatures. 99.8% pure IPA Ideal for electronics cleaning Plastic-safe Low linting & tear resistant