3M 425 (50-mm-Roll) ALUMINIUM TAPE (55M) (50-mm-Roll)

3M 425 (Also known as: 3M 425 & 3M Speed Tape) is trusted by MROs, ground crew, and aircraft engineers worldwide for reliable, high-temperature aluminium foil protection of critical aircraft surfaces. From advanced military jets to commercial airliners, it provides sealing, masking, and temporary repairs that keep aircraft safe and mission-ready. Its durability, excellent adhesion, and resistance to moisture and heat make it indispensable for both routine maintenance and urgent AOG situations.

Key Technical Specifications

• Type: Aluminium foil tape with acrylic adhesive
• Dimensions: 50 mm (2 inches) wide × 55 m (180 ft) roll
• Thickness: 5 mil (0.127 mm) dead-soft aluminium backing
• Adhesive: Transparent acrylic
• Temperature Range: Suitable for indoor and outdoor use; excellent for heat reflection applications
• Moisture Barrier: Very low moisture vapor transmission rate
• Shelf Life: 24 months (720 days)
• OEM / Brand: 3M, Part No. 7100053813

Approvals & Specifications

• Complies with flame-resistant requirements suitable for aircraft maintenance applications
• Widely accepted in MROs for temporary repairs, masking, and sealing
• ECCN: EAR99
• Commodity Code: 7607199096

Typical Aircraft MRO / AOG Applications

• Protecting sensitive components during aircraft paint stripping
• Acting as a moisture barrier in critical areas
• Heat reflection and insulation protection
• General-purpose sealing, splicing foils, temporary repairs during AOG situations
• Wire and coil holding, tear repairs on aircraft panels

Compatibility & Safety Notes

• Compatible with most aircraft surfaces when applied to clean, dry areas
• Practical for AOG/MRO because it allows rapid temporary fixes and reliable sealing in field or hangar conditions
• Store in a cool, dry place. Handle carefully to avoid adhesive contamination

Packaging & Procurement

• Supplied as a 50-mm (2-inch) × 55 m (180 ft) roll
• Ideal to keep in stock for quick deployment during AOG situations

Why 3M 425 is Chosen for AOG / MRO

• Durable and versatile solution for sealing, masking, and protection tasks
• Quick and easy application reduces aircraft downtime
• Trusted in the aviation industry for temporary repairs and maintenance efficiency

Practical Suggestions for Teams

• Maintain stock for urgent repairs and masking needs
• Ensure ground crew are trained in proper application
• Monitor roll condition and expiry dates
• Use as a go-to solution for temporary fixes in AOG scenarios

Manufacture / Aviation Spec Codes

• Manufacturer: 3M Company
• Aviation Spec Codes:
  • FAR 25.853(a): Meets Federal Aviation Regulation for flammability of aircraft materials
  • L-T-80C: Can meet military specifications for aluminium foil tapes
  • SAE-AMS-T-23397: Can meet aerospace material specification for aluminium foil tapes
  • UL 746C: UL Recognized for flammability and temperature resistance
  • UL 723, Class “L”: UL Classified for low flammability rating

Alternative Names & Descriptions

• 3M 425 (50-mm-Roll)
• 3M Aluminum Foil Tape 425
• 3M 425 50mm x 55m
• 3M 425 Speed Tape
• 3M 425 Foil Tape
• 3M 425 Shielding Tape
• 3M 425 Sealing Tape
• 3M425X2 / SCOTCH425-50MM
• 425-2IN
• 3M425
• 3M425 2″
• 3M425X2
• SCOTCH425-50MM
• 425