Av-Dec pre-cured polyurethane tape sealant has a fiberglass carrier providing two sided sealing. It is designed for sealing and moisture-proofing between irregular surfaces. This product works best when applied under compression between two surfaces. This product is also available in die cut in gasket form and in flame retardant (FR).

HI-TAK Tape HT-3935-7 Features:
Provides a high level of tack to most substrates
Ease of installation and removal
Leaves no residue when removed
Consistent, easy installation
Polyurethane material
Replaces moisture-retaining products under floorboards
HI-TAK Tape HT-3935-7 Benefits:
Corrosion protection, improved reliability, repair/scrap cost avoidance, structural repair and cost avoidance
Reduction in: return-to-service time, troubleshooting time, labor cost, hanger time
No solvents required, no scraping required, no paint adhesion issues
In roll form or die cut for a specific application,
HI-TAK Tape assures proper sealing with 100% surface contact
Non-hazardous, no silicone oil residue before, during, or after installation or removal
Positive moisture barrier, easy floorboard removal, provides noise and vibration dampening

Part Number Series	HT3935-7-XXX (where XXX = width in hundredths of an inch)
Color	Plum
Thickness	0.025" Reduced (HT3935RT-XXX)
	0.045� Nominal
	0.080" Extra (HT3935ET-XXX)
Dielectric Withstand Voltage	>400 volts/mil
Shelf Life	Indefinite (in original packaging)
Weight	0.71 g/sq in
Solvent Resistance	ASTM D-543 (Water, Polypropylene Glycol/Water, Skydrol LD-4, MIL-H-5606, Jet A), no Degradation of Physical Properties
Test Data	3000+ Salt Spray Test (ASTM B 117), Flammability (FAR25.853a Method 2) for FR version
Reactivity to Polyethylene and Aluminum	None � Product supplied fully cured
Service Temperature Guide	-65�C to 135�C (-85�F to 275�F) Continuous

Av-Dec PN	Av-Dec NSNs	AV Dec Part Description	Aircraft Applications	Category
HT3935-7-050	5999-01-531-3540	0.50" x 12' Roll	All Air Frames	HI-TAK TAPE
HT3935-7-075	8030-01-535-6816	0.75" x 12' Roll	All Air Frames	HI-TAK TAPE
HT3935-7-100	8030-01-494-5206	1.0" x 12' Roll	All Air Frames	HI-TAK TAPE
HT3935-7-150	8030-01-494-5209	1.5" x 12' Roll	All Air Frames	HI-TAK TAPE
HT3935-7-200	8030-01-494-5207	2.0" x 12' Roll	All Air Frames	HI-TAK TAPE
HT3935-7-250	8030-01-494-4136	2.5" x 12' Roll	All Air Frames	HI-TAK TAPE

AV Dec HI-Tak Tape

Designed to Seal and prevent moisture between irregular aircraft surfaces

Provides a high level of tack to most substrates
Ease of installation and removal
Leaves no residue when removed
Consistent, easy installation
Polyurethane material
Replaces moisture-retaining products under floorboards

For Current Pricing on all Sizes Click Here