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Sealant tape for aircraft fuel tank

MAKPolymer

Chemical
Jan 8, 2025
1
Hello,

I know that sealants are used in fuel tanks. The application process can be messy. Is there any tape available that can be used as a sealant? For example self-fusing type tape. Any advise would be helpful.
Thank you.
 
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Self fusing tape is typically fuses-to-itself.... not structure with protective finishes.

This question deserves a longer answer... I have no time. Basic/questions.

There are many ways to seal an integral fuel tank.
Metallic or composite structure?
Fay surface Installation?

Your knowledge should start with these...
SAE AIR4069 Sealing of Integral Fuel Tanks
SAE AIR5774 Composite Fuel Tanks, Fuel System Design Considerations
AFWAL-TR-87-3078 Aircraft Integral Fuel Tank Design
 
What type of material are you looking for? I use a lot of PTFE gasket tapes and can make recommendations for those but I don't think PTFE is acceptable for what you have described so far.
 

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