A precision cleaning agent containing a Hydrofluoroether (HFE). Safe and quickly cleans electronic components and circuits, precision instruments, switches, relays and contacts. Removes oils, oxidation and operating erosion dust. Safe for most plastics including acrylic, polycarbonate, polystyrene and ABS. Safe for most elastomers and metals including zinc and magnesium. Leaves no residue. No ODC (ozone depleting chemicals). NSN 6850-01-519-1819 (16 oz Aerosol).