The Flamemaster CS3204B1/2 is a fuel resistant sealant for use on integral fuel tanks and pressurized cabins as well as other areas such as antennas that are subject to contact with lubricants, oils, water and/or weathering. At room temperature, this two-part polysulfide cures to a flexible, resilient rubber with excellent adhesion to aluminum, magnesium, titanium, steel, and numerous other materials.. 

Meets requirements of specifications AMS-S-8802 formerly MIL-S-8802, CMNP021, Lockheed, Gulfstream, Hughes Aircraft, Fairchild SPS 6-1 & 6-2