Flamemaster CS-3204 B4 Integral Fuel Tank Sealant Black (AMS-S-8802B2 / MIL-S8802F) NSN: 8030-00-850-0758 Ensure the utmost integrity and safety of your aircraft's fuel systems with Flamemaster CS-3204 B4 Black Integral Fuel Tank Sealant. This high-grade, two-part polysulfide sealant is specifically engineered for sealing integral fuel tanks and other critical areas requiring exceptional resistance to aviation fuels, lubricants, and demanding environmental conditions. Meeting the stringent requirements of both AMS-S-8802B2 and MIL-S-8802F, it offers superior adhesion, flexibility, and durability. The "B4" designation signifies an extended application life, providing ample working time for large areas, complex structures, or situations where precision and a longer tooling period are required. The black color aids in visual inspection and provides a clean finish. This sealant is crucial for preventing fuel leaks and maintaining aircraft operational safety and longevity. Key Features for Aviation: Specifically designed and qualified for sealing integral fuel tanks in aircraft. Extended application life (B4) for larger jobs or complex assemblies requiring more working time. Black color allows for easy visual inspection and a clean appearance. Meets the requirements of Aerospace Material Specification AMS-S-8802B2, a key industry standard for fuel tank sealants. Also meets the requirements of U.S. Military Specification MIL-S-8802F, ensuring military-grade performance and reliability. Provides exceptional resistance to aviation fuels (Jet A, JP-8, Avgas), lubricants, hydraulic fluids, and other chemicals common in aircraft environments. Offers superior adhesion to aircraft aluminum and other common substrates. Remains flexible over a wide range of temperatures, maintaining a tight seal under various operating conditions. Two-part system allows for controlled mixing and application. Critical for preventing fuel leaks and ensuring the structural integrity of fuel tanks. Typical Aviation Applications: Sealing integral fuel tanks in wings and fuselage, especially for larger sections or where extensive tooling time is needed. Sealing fuel bladders and fuel cells. Sealing access panels and fittings in fuel systems. Sealing other areas requiring resistance to aviation fuels and lubricants where a longer work life is beneficial. Use in the manufacturing, repair, and maintenance of commercial and military aircraft. Equivalent to: PPG PR-1440 & PS890 Download Technical Data Sheet
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