Flux-Off No Clean Plus Flux Remover is an extra strength solvent that removes heavy and encrusted flux deposits. This high pressure aerosol or bulk liquid penetrates quickly to remove all types of flux, oxide particles, dust, grease, and oil, then evaporates quickly leaving no residues. Removes R, RA, RMA, and No Clean fluxes. Flammable, fast drying, non-corrosive, extra-strength cleaner. Not recommended for acrylics, ABS resins, polycarbonates, polystyrenes, PVC, and other solvent-sensitive plastics. Featuring an all-way spray valve, the can even sprays upside down. This flux remover effectively cleans flux residues from: chip carriers, heat sinks, metal housings and chassis, printed circuit boards, plugs, relays and contacts, sockets, surface mount device pads, solenoids, and switches. Shelf life is 5 years. Sold in a 12 ounce aerosol can.