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Approvals and Conformities
Product Attributes
A leaky fuel tank can be a big problem when you take to the sky. Make sure your fuel tank is leak-free and flight-ready by ordering Dow Corning DOWSIL™ Q4-2805 Fuel Tank Sealant from SkyGeek. The aircraft sealant is a high-performance fluorosilicone product designed to meet the rigorous demands of aerospace and aviation applications. This sealant is specifically formulated for use in fuel tank sealing, offering exceptional resistance to fuel and oil exposure, which makes it an ideal choice for sealing integral fuel tanks and pressurized cabins. The fuel tank sealant comes in a convenient 212-gram size, providing ample material for various sealing tasks.
The DOWSIL™ Q4-2805 sealant from SkyGeek is renowned for its excellent adhesion properties, ensuring a secure bond to a variety of substrates commonly used in the aerospace industry, including aluminum, titanium and composites. The flexible bonding ensures that the sealant will adhere to whatever material your aircraft's fuel tank is made out of, stopping leaks and improving safety in the sky. Its fluorosilicone composition grants it superior flexibility and resilience, even under extreme temperature variations ranging from -65°F to 400°F (-54°C to 204°C), making it suitable for both hot and cold environments. This ensures that the sealant maintains its integrity and performance over time, reducing maintenance needs and enhancing safety.
Additionally, the Dow Corning Q4-2805 is easy to apply with its smooth consistency, allowing for precise application in complex areas. It cures at room temperature, simplifying the application process without requiring additional heat sources. Whether you are working on new assemblies or performing maintenance on existing structures, this sealant provides reliable protection against leaks and environmental factors. Overall, the Dow Corning Q4-2805 Fuel Tank Sealant is a trusted solution for professionals seeking durability and reliability in demanding aviation applications.
Features
- Superior sealing characteristics under exposure to fuels and oils
- Easily injected and reinjected
- Maintains consistency over wide temperature range from -55oC to +200oC
- Non-curing
- Good tack adhesion
- Essentially unaffected by shock, vibration and thermal cycling
- Contains no catalyst or curing agent
- Withstands immersion in fuels and exposure to fuel vapors in temperatures up to +200o
- Contains flow-control particles
- Excellent flow characteristics provide faster injection at reduced pressures
- Meets MIL-S-85334(AS)
Physical Properties
- Physical Nature: Putty-like
- Color: White
- Relative density at 25oC: 1.37
- Extrusion force: 91kg
- 7 day immersion at 80oC in:
- Jet reference fuel swell: 30%
- JP-4 swell: 12%
- JP-5 swell: 12%
- 7 day immersion at 80oC, plus 24 hours dry at 90oC:
- Jet reference fuel weight loss: 2.5%
- JP-4 weight loss: 1.0%
- JP-5 weight loss: 1.0%
- 2024 clad aluminum: Excellent; adhesive strength exceeds cohesive strength
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