MATERIALS, ADHESIVES AND COATINGS
Naftoseal Low-Adhesion and Low-Density low-adhesion and lightweight aircraft sealants
Country: Germany · Model: Naftoseal Low-Adhesion / Low-Density
Polysulfide sealants of two groups. Low-Adhesion ones are intended for removable panels and hatches, Low-Density ones reduce aircraft weight. Gap fillers for floor panels are produced separately. The compounds are chromate-free and supplied in cartridges for the MCI mixer.
- Chemistry
- polysulfide
- Low-Adhesion
- for removable panels and hatches; keep elasticity and low bond strength to metals, composites and painted surfaces under extreme temperatures, weathering and loads
- Low-Density
- reduced density to lower aircraft weight and fuel consumption
- Additionally
- gap fillers for floor panels (gap filler)
Technical specifications
| Chemistry | polysulfide |
|---|---|
| Low-Adhesion | for removable panels and hatches; keep elasticity and low bond strength to metals, composites and painted surfaces under extreme temperatures, weathering and loads |
| Low-Density | reduced density to lower aircraft weight and fuel consumption |
| Additionally | gap fillers for floor panels (gap filler) |
| Ecology | chromate-free |
| Production | Langelsheim (Germany), EN 9100:2018 |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
Low-adhesion compounds are used where a joint has to be disassembled, for example on service hatches, removable panels and access covers to units. According to the manufacturer, they stay elastic and keep low bond strength to metals, composites and painted surfaces under extreme temperatures, weathering and loads. So the panel is removed without damaging paint and edges, and maintenance takes less time. Low-density sealants run along the whole length of tank and fuselage seams, and replacing standard compounds with lightweight ones reduces aircraft weight and, in the manufacturer's words, fuel consumption. Resistance to aviation fuel, elasticity and corrosion protection are preserved. Gap fillers (gap filler) are used when installing the passenger cabin floor. Production is located in Langelsheim (Germany), and the quality system complies with EN 9100:2018.
How to choose
The choice starts with the unit. For removable panels and hatches take the low-adhesion group, for tank and fuselage seams where every gram counts the low-density one. If you just need to close a fuel tank or pressurized cabin with a standard compound, look at the main Naftoseal series with high and low density, fast-curing and flame-resistant versions. Grades, density and OEM specifications are not published on the manufacturer's site, so they are clarified in the technical data sheet (TDS).
Request a price and lead time
Naftoseal Low-Adhesion and Low-Density low-adhesion and lightweight aircraft sealants. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What are low-adhesion sealants for?
For joints that are periodically disassembled, in particular service hatches, removable panels and access covers. The joint stays sealed, and paint and part edges are not damaged during removal.
Why use low-density sealants on an aircraft?
Sealant runs along the whole length of tank and fuselage seams, so a lighter compound reduces aircraft weight. In the manufacturer's words, this noticeably reduces fuel consumption.
What is a gap filler for floor panels?
It is a gap filler used when installing the passenger cabin floor. It belongs to the same polysulfide range.
Do these compounds contain chromates?
No, all compounds in the series are chromate-free. They are supplied in cartridges compatible with the MCI mixer.
Where can grades and specifications be found?
The manufacturer's site gives no specific grades, density or OEM specifications; they are clarified from the TDS. Production is certified to EN 9100:2018.
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