3M 398FR (3-Inch-Roll)
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3M 398FR (Also known as: 3M 398FR Flame Retardant Glass Cloth Tape, 3M 398FR Aircraft Insulation Tape & 3M 398FR FR Repair Tape)
MRO Category: Tapes & Surface Protection
Sub-Category: Glass Cloth / Flame-Retardant Tapes
Function: Provides flame-retardant sealing for insulation systems.
Use Cases: Splicing and patching insulation blankets in fuselage and cargo bays.
Manufacturer Part Number: 7000001301
Description:
3M 398FR is a flame-retardant glass cloth tape designed specifically for the rigorous demands of the aviation industry. Supplied in a roll that measures 3 inches (76.20mm) wide, it provides durable, abrasion-resistant sealing, patching and splicing for insulation blankets, ducts and wire harnesses in both military and commercial aircraft. Aircraft engineers, ground crew and MRO teams rely on the 3M 398FR to meet flame compliance standards while ensuring strong adhesion, excellent handling and reliable performance across a wide temperature range. This makes it essential for AOG situations, where fast and dependable repairs are critical to minimize aircraft downtime.
By choosing the 3M 398FR, aviation engineers can be confident they are working with a proven 3M solution that aligns with aerospace safety standards and provides consistent performance under operational stress. Its packaging and measurements, as listed on Aerospheres’ product page, confirm that you are receiving the correct roll size for use across insulation blankets and general panel sealing applications. To learn more about purchasing the 3M 398FR, aircraft engineers can email sales@aerospheres.com, call UK +44 (0)3333 247 777, US +1 888 421 7703, or simply click the Add To Cart option on the Aerospheres website.
Spec Sheets For DOWSIL 3145/GREY:
3M 398FR Technical Data Sheet
Safety Data Sheet for 3M 398FR
Information
3M 398FR is a flame-retardant glass cloth tape engineered for the rigorous demands of the aviation industry. Supplied in rolls 3 inches (76.20mm) wide, it delivers durable, abrasion-resistant sealing, patching, and splicing for insulation blankets, ducts, and wire harnesses in both commercial and military aircraft. This tape ensures compliance with flame-resistance standards while providing strong adhesion, easy handling, and reliable performance across a wide temperature range.
Key Features
- Flame Retardant: Meets FAA requirements for insulation blanket and interior applications.
- Durable Glass Cloth Backing: Provides high mechanical strength, abrasion resistance, and longevity.
- Wide Temperature Range: Performs reliably under extreme operational conditions (up to ~392°F / 200°C depending on application).
- Easy Handling: Pressure-sensitive adhesive enables quick application, clean tearing by hand, and strong bonding.
Applications
Ideal for sealing, splicing, and repairing insulation blankets, panels, ducts, and wire harnesses. Widely used in fuselage and cargo bay maintenance, both for routine MRO and urgent AOG repairs, reducing aircraft downtime and maintaining flame compliance.
Why Choose 3M 398FR
- Trusted by airlines, OEMs, and ground crews worldwide for consistent performance.
- Essential for AOG situations due to fast, reliable, and compliant repairs.
- Lightweight, flame-retardant, and easy to apply without curing or mixing.
- Standardized across fleets, reducing training and procurement complexity.
Specifications
- Type: Flame-retardant glass cloth tape with pressure-sensitive adhesive.
- Width: 3 in. (76.20mm)
- Backing: Glass cloth with flame-retardant adhesive system.
- Tensile Strength: High mechanical durability against wear and abrasion.
- Packaging: Roll format, typically ~55m / 60yd per roll, supplied individually.
Typical Use Cases
- Sealing and patching insulation blankets in fuselage and cargo bays.
- Splicing and repairing thermal/acoustic insulation panels.
- Bundling and securing wire harnesses, ducts, and hoses.
- Applications requiring flame compliance and abrasion resistance in aircraft.
Alternative Names / Codes
- 3M 398FR Flame Retardant Glass Cloth Tape
- 3M 398FR Aircraft Insulation Blanket Tape
- 3M 398FR FR Repair Tape
- Boeing BMS 5-133 Approved Tape
- Aerospace Glass Cloth Splicing Tape
- 398FR-3"
- 3M398FR_76MMX33M
- 398FR-3IN
- SCOTCH398FR-76MM:D2607
- POLYKEN290FR-3
- 3M-398FR-3
Restrictions
Recommended Alternatives
Shipping Information
- Orders over £50 online are eligible for FREE UK Mainland delivery.
- Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
- European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
- Refrigerated shipping required for shipments going by sea or exceeding 7 days transit time.
- For additional information, please see our shipping page.