Av-DEC’s Hi-TAK Fuel Access Panel Gasket, with its “peel and stick” application method and its polyurethane sealant, offers many advantages over commonly-used grease-impregnated gaskets: ease of use resulting in reduced installation time; no VOCs that evaporate over time and lead to voids that trap moisture which promotes corrosion; infinite shelf life when stored in original packaging and protected from UV exposure; no use of grease, no need to degrease and reapply grease every five years, no greasy mess.
The gasket’s aluminum mesh provides a conductive path for lightning strike protection over the life of the gasket and reduces fretting to the wing skin and door surfaces. Its fuel-resistant polyurethane sealant fills voids and surface imperfections to protect the faying surfaces from moisture intrusion and corrosion, providing a long-term environmental seal. The flexible and cohesive nature of the gasket provides a high degree of environmental protection to help reduce or eliminate corrosion, reducing the scrap rate of tank access doors, decreasing cost and saving time, and improving the reliability of the air vehicle.
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Project Specs
Product Name | Fuel Resistant Conductive Gasket |
Part Number Series | FG323000-XX |
Applications |
FAA-STC approval for DC-9/MD-80 aircraft, FAA-PMA approval for DC-9/MD-80, |
Frame (Mesh) | Aluminum |
Thickness |
Before Compression 30 mils -- After Compression 15-20 mils, depending on clamping force applied |
Weight/Area | 0.024 oz/in² (0.105 g/cm²) |
Shelf Life | Indefinite (in orginal packaging and protected from UV exposure) |
Bonding Resistance | Meets MIL-B-5087 Class "R", ≤2.5mΩ |
Service Temperature Guide (RTCA DO-160G, Sec. 5) |
-65°C to 135°C (-85°F to 275°F) |
Corrosion Prevention - Salt Fog 3000hrs |
No Corrosion Present |
Fluid Resistance-Spray Test |
Isopropyl Alcohol Solvent |
Pressure Retention (14 CFR part 25 § 25.1438(a)) |
Pass, maintained a pressure of 2 atm (29.4 PSI) for 4 days |
Lightning Strike (Zone 1A and 2A) | Pass* |
SDS | SDS information can be requested at |
*Zone determined per SAE ARP5412, each airframe configuration may be different