3M 431 (38-mm-Roll)
Total Available Stock: 0
Commonly Used Product Name:
3M?Aluminium Foil Tape?431
Product Summary:
Same base product, width: 38?mm (~1.50?in); roll length ~55?m (~180?ft); foil backing ~0.08?mm (~0.0031?in).
MRO Category: Corrosion Protection Products
Sub?Category: High?temperature aluminium foil seaming & patching tapes
The product’s Function: Provides a reflective foil seal and moisture/UV barrier over wider surface areas on aircraft structures.
A use cases: Used for sealing larger panel seams (e.g., wing lower skins), covering damage patches on nacelles, or bonding heat?shield plates on aero?engine compartments.
Information
This 3M?Foil Tape?431 in the 38?mm width variant offers a broader coverage option while delivering the same performance: conformable aluminium foil backing, acrylic adhesive, excellent resistance to flame, weather, UV and chemicals. On aircraft fuselage or wing surfaces where a wider tape is needed for joint coverage or seam sealing, this width enables efficient installation and robust protection. The foil backing acts as a thermal reflector to protect substrate surfaces from radiant heating, and the low moisture vapour transmission rate helps prevent corrosion under the tape. Aircraft engineers frequently reference this tape as a “speed?tape” style foil adhesive (though not for structural repairs) to patch non?structural areas subject to high?velocity airflow, thermal loads or moisture ingress.
Specification codes:
- F.A.R.?25.853(a
Restrictions
Recommended Alternatives
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