Flux-Off lead-free flux remover is an extra strength solvent that removes heavy and encrusted flux deposits resulting from high temperature lead-free soldering applications. This powerful cleaner quickly removes all types of flux, oxide particles, dust, grease and oil, and then evaporates quickly leaving no residues. - Engineered for removing high temperature, lead free flux. Evaporates quickly without leaving residue. Test on plastics. All-Way Spray valve even sprays upside down. Flammable. Non-corrosive, safe for metals. Extra-strength, fast drying.