CS-2415 Aluminum Exterior Sealant CS 2415 recommended for sealing external seams, depressions and gaps on aircraft to yield weather tightness and achieve aerodynamic smoothness. CS 2415 is a non‐flow material and may be utilized on vertical and overhead, as well as horizontal surfaces. CS 2415 is a Thixotropic, fuel resistant sealant for use on pressurized cabins. A two component, polysulfide based, aluminum filled, non‐flow, filleting material designed for Aircraft sealing. CS 2415 is based on Flamemaster technology, utilizing Permapol P‐5 Polymers, an improved chemical modification of Thiokol LP* polymers Meets Mil-S-38228, DMS 1819C, and Lockheed STM 40-006.
