Av-Dec HT3935-7FR-250 (2.5-Inch-Roll)

Additional Product Information

Overview

HI-TAK PRS HT3935-7 is a pre-cured polyurethane sealant tape reinforced with a fiberglass carrier, providing reliable two-sided sealing and moisture-proofing between irregular surfaces. Designed for aviation and MRO applications, it is widely used by maintenance teams for rapid, clean, and dependable sealing without the need for curing. Its robust performance under compression ensures consistent protection in critical aircraft assemblies.

Key Technical Specs for HI-TAK PRS HT3935-7

• Type: Pre-cured polyurethane sealant tape with fiberglass carrier
• Size / Volume: Standard thickness 0.045 in (1.14 mm); lengths 12 ft (3.66 m); widths available in 0.050 in increments up to 24 in
• Color: Plum Amber
• Viscosity / Consistency: Solid, fully cured
• Cure / Working Time: Pre-cured no curing required
• Tensile / Peel Strength: Compression-activated sealing; non-reactive with typical aviation surfaces
• Shore Hardness: N/A (pre-cured tape)
• Service Temperature: -85 F to 275 F (-65 C to 135 C) per RTCA DO-160G, Section 5
• Typical Uses: Sealing irregular surfaces, moisture-proofing panels, die-cut gasket replacement
• Shelf Life: Indefinite in original packaging, protected from UV exposure

Approvals & Specifications

• Compliant with RTCA DO-160G, Section 5 environmental testing
• Flame retardant (FR) version available
• Non-reactive with common aviation metallic and nonmetallic surfaces

Typical Aircraft MRO / AOG Applications

• Sealing fuselage panels and access doors
• Environmental sealing for avionics compartments
• Moisture-proofing structural assemblies
• Rapid gasket replacement for maintenance tasks

Compatibility & Safety Notes

• Compatible with metallic and nonmetallic aviation substrates
• Non-toxic and non-reactive; minimal PPE required for handling
• Store away from direct UV exposure

Packaging & Procurement

• Supplied in 12 ft (3.66 m) rolls
• Widths available in 0.050 in increments up to 24 in
• Also available die-cut into custom gasket forms
• Flame-retardant (FR) option available
• Easy to handle and apply; no mixing or curing needed

Why HI-TAK PRS HT3935-7 is Chosen for AOG / MRO

• Fast, reliable sealing under compression
• Versatile for irregular and contoured surfaces
• Pre-cured for immediate use
• Durable performance across extreme temperatures
• Reduces maintenance downtime in critical AOG situations

Practical Suggestions for Your Team (AOG Mindset)

• Maintain a stock of common widths for rapid deployment
• Store rolls in UV-protected packaging to preserve shelf life
• Train technicians on proper compression installation for optimal seal
• Use die-cut gaskets for precise assembly sealing

Manufacture / Aviation Spec Codes

• Manufacturer: AVDEC
• Product ID: HT3935-7
• MIL / OEM / Export Codes: N/A (check AVDEC for updates)

Alternative Names & Descriptions

• HT3935FR Flame Retardant Version
• HI-TAK Sealant Tape 0.045 in
• Pre-cured Polyurethane Fiberglass Tape
• Die-cut Gasket HT3935 Series
• Two-Sided Sealing Tape for Aviation Applications