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The Av-DEC® Hi-TAK Quad Seal™ is Av-DEC's recommendation for the best way to achieve a complete and total seal between an aircraft antenna and the surface of the aircraft when a fillet seal is required. This process is achieved when four different Av-DEC® products are combined in conjunction with each other. The Hi-TAK® Polyurethane Conductive Gasket makes a seal between the antenna and aircraft interface, StretchSeal® is used to wrap the coaxial connector for sealing, Self-Leveling Green® is placed at the connector to antenna interface to provide ample sealant, and Thixoflex Black® is used around the antenna for a fillet seal.