CS 3205 Class B-1/2
Integral Fuel Tank Sealant
6 oz. Cartridge (3.5 oz.)
CS 3205 Class B is a two-part, dichromate cured polysulfide base compound for use on integral fuel tanks and pressurized cabins as well as other areas subject to contact with aircraft fuels, lubricants, oils, water and/or weathering.
CS 3205 is a two-part polysulfide base compound which cures at room temperature to a flexible, resilient rubber with excellent adhesion to aluminum, magnesium, titanium, steel, various composites and other materials. CS 3205 withstands the attack of sulfur compounds that are present in jet fuels. When mixed, CS 3205 Class B is a thixotropic paste. Service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C).