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Density ASTM D 792 0.4-0.9g/ccm ASTM D 792 0.4-0.9g/ccm
Low temperature flexibility AMS 3255 Para 4.5.7 Passed AMS 3255 Para 4.5.7 Passed
Tensile strength- uncompressed
ASTM F 152 method C >6.9 Mpa ASTM F 152 method C >1000 psi
Tensile strength- compressed ASTM F 152 method C >20.7 Mpa ASTM F 152 method C >3000 psi
Shrinkage- compressed ABR6-0127 Max 2% ABR6-0127 Max 2%
Salt fog (1500 hours) DIN 50021 No corrosion ASTM B117 No corrosion
Flammability ATS 1000.001 Passed FAR 25.853 (a) Passed
Smoke density/toxicity ATS 1000.001 Passed FAR 25.853 (d) Passed
13
Skyflex®
aircraft sealant
gore™ skyflex® environmental gaskets
GORE™ SKYFLEX® Environmental Gaskets are the most user friendly
and reusable environmental sealant for removable panels and
components.
Typical Applications
Typical applications for GORE™ SKYFLEX® Environmental Gaskets
are pitot tubes, sensors, cargo tie downs, and lights.
Pitot tubes; part number: GSC-21-95477-04
AAR-47 sensor gasket; part number: GSC-21-95560-04
Total air temp sensor; part number: GSC-21-95558-04
Cargo tie downs; part number: GSC-21-95424-04
MMW antenna detector part number: GSC-21-95559-04
Navigational light part number: GSC-21-95563-04
14
gore™ skyflex® environmental gaskets data sheet
GORE™ SKYFLEX® Environmental Gaskets: The most user friendly(1) and reusable environmental sealant for removable panels and
components
Material: Expanded Polytetrafluoroethylene (ePTFE).
Typical Characteristics: Highly conformable to surface irregularities.
Chemical Resistance: Inert to all common aircraft fluids.
Storage, without/with adhesive: Unlimited / Two years.
Color: White
Thickness: 0.5, 1.0, 1.5, 2.0 and 3.0 mm (Nominal)
Dimensions: Supplied in gasket form, engineered to customer requirements.
(1)
a) No mixing d) Less skill dependent on installation g) Less dependant on surface cleanliness
b) Easy to install, easy to remove e) No special storage requirements h) Does not require milled grooves
c) No cure time f) More tolerant to surface damage i) Accepts wider surface roughness
tolerances to seal
(2) Test methods per Airbus Non-Metallic Material Specification ABR6-0127 Issue 1 dated July 1993 unless otherwise stated.
(3) Values are unchanged after immersion in Skydrol A4 or Kerosene JP1.
GORE™ SKYFLEX® Aircraft Sealants are qualified to SAE Aerospace Material Specification 3255 dated December 1995 as credited by
the IMA Institute, Dresden, Germany.
Material Properties Europe USA
Test Method Value Test Method Value
Temperature range - -240°C/+260°C - -460°F/+500°F
Short term exposure to - +315°C - +600°F
Density (2) 0.6g/ccm (2) 0.4-0.9g/ccm
Tensile strength- uncompressed
(3)
(2) ≥15 Mpa (2) ≥1000 psi
Tensile strength- compressed (3) (2) ≥15 Mpa (2) ≥3000 psi
Elongation- compressed (2) ≥250% (2) ≥250%
Flammability ATS 1000.001 Passed FAR 25.853 (a) Passed
Smoke density/toxicity ATS 1000.001 Passed FAR 25.853 (d) Passed
15
Skyflex®
aircraft sealant
gore™ skyflex® fuel sealant
GORE™ SKYFLEX® Fuel Sealant is the most user friendly and reusable
environmental sealant for removable panels and components.
Typical Applications
GORE™ SKYFLEX® Fuel Sealant is available in two formats: die cut
gaskets and tape. Typical applications for GORE™ SKYFLEX® Fuel
Sealant are fuel access panels and external fuel tank panels. The
die cut fuel sealants shown below are used on the T-45 and the F-16,
external panels and external tank panels. Gaskets can be precut
to the customers required dimensions or gaskets can be cut in the
field from sheets of sealant. Tape sealant is recommended and can
be supplied for use on large panels.
Die Cut Gasket
OP Tape; Typical part number: GSC-21-96057-04 (1 in. wide by 0.032
in. thick, no adhesive)
Fuel resistant die cut gasket for the 370 Gallon Aft Filler Cap, part
number GSC-21-96527-04
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gore™ skyflex® low temperature fuel sealant data sheet
GORE™ SKYFLEX® Fuel Sealant: The most user friendly (1) and reusable fuel sealant for removable panels and structures.
Material: Fuel repellent expanded Polytetrafluoroethylene (ePTFE).
Typical Characteristics: Highly conformable to surface irregularities.
Storage, without/with adhesive: Greater than 10 years/Two years.
Color: White
Description: Die cut gaskets up to 58 in (147cm) wide.
(1)
a) No mixing d) Less skill dependent on installation g) Less dependant on surface cleanliness
　
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