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HI-TAK®Polyurethane Conductive GasketHI-TAK® Polyurethane Conductive Gasket

Pre-cured polyurethane antenna gasket with aluminum carrier die cut to fit antenna. Designed for use as an environmental sealant. The flexible nature of this system provides for easy access for inspection or repair long after the original application. System demonstrates excellent cohesion after installation, and provides a high degree of environmental protection, while still allowing for easy removal and antenna bonding.

Part of the TotalSeal™Antenna SolutionHI-TAK® Polyurethane Conductive Gasket seals antenna-aircraft interface

HI-TAK Tape® StretchSeal™ polyurethane wrap for coaxial connector sealing

SelfLeveling Green™ polyurethane sealant at connector-antenna interface

Feature Benefit

Antenna to structure sealing over the entire surface area

Corrosion prevention, improved avionics reliability, antenna repair/scrap cost avoidance, structural repair cost avoidance, diversion/cancellation/delay cost avoidance

Reduction in antenna removal/replace cycle time

Reduction in: return-to-service time, troubleshooting time, labor cost, hanger time and gate delays

Elimination of antenna perimeter sealants Elimination of cure time and hazardous material

Consistent, easy installation Die cut gaskets assure proper sealing with 100% gasket to surface contact

Polyurethane materialNon-hazardous, no silicone oil residue before, during or after installation or removal, no issues with paint adhesion or prep, no peripheral silicone contamination

Excellent material memory and elasticity

Sealing is maintained during vibration and thermal expansion and contraction

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Typical Physical Properties

Part Number Series AGXXXXXX-YY

Frame (Mesh) 5056 Aluminum Alloy for conductive or fiberglass for non conductive

ThicknessStandard material before compression 55 mils.

Custom thickness available at customers request

Shelf Life Indefinite (in original packaging)

Bonding ResistanceMeets or Exceeds: Antenna Manufacturers Requirements, MIL-STD-464, MIL-B-5087B Class “R” and DPS 1.834-25

Solvent Resistance

ASTM D-543, (Water, Polypropylene Glycol/Water Skydrol LD-4, MIL-H-5606, Jet A) and RTCA/DO-160 Section 11, spray test, all fluids. For detailed test data, contact us at info@avdec.com. No Degradation of Physical Properties (both tests)

Service Temperature Guide -65ºC to 135ºC (-85ºF to 275ºF) Continuous

MSDSRefer to ‘Gasket; Metallic and Non-Metallic Frame’

MSDS information is available online at www.avdec.com

For Av-DEC gasket numbers that correspond to your antenna part numbers, contact us at info@avdec.com or for a full list of NSN’s please visit our website, www.avdec.com

Standard Polyurethane Conductive Gasket material and SelfLeveling Green.