Zerust/Excor ActivPowder-10F is a water-soluble vapor corrosion inhibitor (VCI) powder combined with a flash corrosion inhibitor (FCI) for protecting ferrous metal surfaces inside large voids, structural cavities and tubing. The self-fogging powder diffuses VCI molecules that settle onto exposed metal and dissipate on opening, and it can also be applied by sprayer or used in wet lay-up because it is fully water soluble. NTIC testing reports conformance to MIL-PRF-22110 and to Material Form 3 of Commercial Item Description A-A-59441/5. Non-flammable; complies with TSCA, ECHA SVHC, RoHS and REACH. Sold as a 30 lb (13.6 kg) case packed in two mylar bags. Zerust part number 460-F-00004.