Flamemaster CS-3204 B 1/4 Integral Fuel Tank Sealant (AMS-S-8802B1/4 / MIL-S8802F)

Ensure the utmost integrity and safety of your aircraft's fuel systems with Flamemaster CS-3204 B 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. As a "Class B" sealant within the CS-3204 family, it offers a balanced work life suitable for various sealing tasks, providing superior adhesion, flexibility, and durability. The black color aids in visual inspection and provides a clean finish. Meeting the stringent requirements of AMS-S-8802 and MIL-S-8802F, 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.
  
• Black color allows for easy visual inspection and a clean appearance.
  
• Meets the requirements of Aerospace Material Specification AMS-S-8802, 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.
  
• Sealing fuel bladders and fuel cells.
  
• Sealing access panels and fittings in fuel systems.
  
• Sealing other areas requiring resistance to aviation fuels and lubricants.
  
• Use in the manufacturing, repair, and maintenance of commercial and military aircraft.

• All in-stock orders are processed within 1–2 business days (excluding weekends and holidays) after receiving your order confirmation email.
• Orders with a lead time will ship according to the estimated shipping time shown on the product page.
• If we experience a high volume of orders or if an item is backordered, processing times may be slightly delayed. We will notify you promptly via email.

• Returns must be made within a maximum of 3 business days after receiving the product, with prior authorization from Aircraft Shop Supply (Return Material Authorization). Returns without prior notice or written authorization will not be accepted.
• For products with 3 to 6 months of remaining shelf life, claims must be made within the next 2 business days after receipt.
• Returns are not accepted for products with less than 3 months of remaining shelf life.
• Returns are not accepted for products purchased during a low Shelf Life promotion, items sold with discounts, or special orders that must be placed directly with the factory.
• The customer is responsible for the return shipping cost, except in cases where the return is due to an error on the part of Aircraft Shop Supply.
• Refunds will only be issued after the product has been inspected and no damage is found.
• A 25% Restocking Fee will be charged for returns of products in good condition that are either no longer needed or were ordered incorrectly.
• A 35% Restocking Fee will be charged for returns of products with one year or less of remaining shelf life.
• No Restocking Fee will be charged if Aircraft Shop Supply is responsible for incorrectly shipping a product, or if the order is damaged upon leaving the warehouse.
• Hazardous Materials & Dangerous Goods: These items are sold as final and are not eligible for return approval.