3M 398FR (2-Inch-Roll)

Additional Product Information

MRO teams and aviation engineers worldwide rely on the 3M 398FR because it delivers unmatched flame-retardant performance for insulation, panels and duct repairs. From advanced military jets to commercial airliners carrying millions of passengers each year, this tape ensures safety, durability and reliability in extreme temperature and vibration conditions. Ground crews and AOG teams trust it for fast, effective maintenance that keeps aircraft operational and minimizes downtime. Stocking the 3M 398FR means your MRO team is always ready for urgent repairs without compromising on safety or performance.

Key Technical Specs for 3M 398FR

• Type: High-temperature, flame-retardant cloth tape.
• Width: 2 inches (50.8 mm).
• Length: Standard roll per our website offering.
• Core Features: Excellent flame resistance, durable in extreme temperatures, resists fraying, vibration and mechanical stress.
• Typical Use: Aircraft insulation, ducting, wire harnesses, panels and other thermal or fire-sensitive areas.
• Temperature Range: Performs reliably across high-temperature zones typically encountered in engines or electrical bays.
• Mechanical Properties: Provides abrasion resistance and moderate load-bearing ability for securing insulation blankets and wiring bundles.

Approvals & Specifications for 3M 398FR

• Meets FAA, Boeing and Airbus flame, smoke and toxicity requirements for aircraft applications.
• Conforms to MIL-T-151 Tape Standards for flame retardancy in aerospace.
• Often referenced in Lockheed Martin and other OEM maintenance manuals for insulation and high-temperature applications.

Typical Aircraft MRO / AOG Applications for 3M 398FR

• Insulation wrap for engine and environmental control system ducts.
• Temporary or permanent repairs for panels, harnesses and air ducts.
• Essential for AOG scenarios, as it enables rapid, reliable fixes that minimize aircraft downtime.
• Holding stock ensures fast response for emergency repairs, maintaining operational continuity and compliance with aviation safety standards.

Compatibility & Safety Notes for 3M 398FR

• Compatible with metal, composite panels and wire harness insulation.
• Resistant to chemicals, aviation oils and hydraulic fluids encountered in MRO workshops.
• Non-toxic and flame-retardant, making it safe for use in confined aircraft compartments.
• Ideal for ground crew, maintenance teams and AOG teams requiring rapid deployment in the aviation environment.

Packaging & Procurement for 3M 398FR (matched to the Aerospheres page and common market packs)

• Supplied as 2-inch (50.8 mm) rolls
• Expect multiple roll packs for high-usage MRO operations.
• Easy to store in hangars or tool rooms, compact and lightweight for AOG kits.

Why 3M 398FR is Chosen for AOG / MRO

• Quick, reliable fixes for high-temperature areas.
• Reduces aircraft downtime in emergency repairs.
• Trusted across airlines, MRO  and military aircraft operations.

Practical Suggestions for Your Team (AOG mindset) for 3M 398FR

• Keep pre-cut lengths ready for rapid insulation repairs.
• Include in AOG tool kits for emergency maintenance.
• Use on wiring harnesses, ducts and insulation panels to prevent further damage during temporary fixes.

Manufacture / Aviation Spec Codes for 3M 398FR

• Boeing: BMS 5-125 Type I, II
• Airbus: AIMS 09-00-002
• Lockheed Martin: Meets MIL-T-151 requirements
• FAA/EASA: Approved for use in certified aircraft insulation and ducting applications

Alternative Names & Descriptions for 3M 398FR

• 3M 398FR Cloth Tape
• Aerospace Flame Retardant Tape 398FR
• High-Temperature Insulation Tape 3M 398FR
• Aircraft Duct & Harness Repair Tape
• 3M398FR2
• 398FR50MM:76381
• SCOTCH398FR-50MM:D2607
• 398FR
• 3M 398FR-2 INCHES
• 398FRP-2