3M™ Aluminum Prop Tape 427 - 2 Inch

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Part# 15-04831
MFR Model# 7010314226


3Mô Aluminum Foil Tape 427, dead-soft aluminum foil backing, excellent heat and light reflection to protect against high temperatures and U.V. degradation.

The foil also serves as an excellent barrier against moisture, dust, flame, and certain chemicals as used in aircraft paint stripping masking. Acrylic adhesive supplies superior temperature, U.V. and solvent resistance. It provides excellent age life and is ideal for harsh, long-term outdoor environments.

Meets F.A.R 25.853(a), O447

**Sold by the Foot**
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • High performance aluminum foil tape, 2.8 mil thick foil backing.
  • Premium aluminum foil for aerospace, appliance, automotive, U.L. 746C, U.L. 723, F.A.R. 25.853(a).
  • Resists flame, resists moisture, resists weather, resists UV degradation, chemical resistant tape, thermally conductive tape for heating and cooling efficiency, heat reflective tape, light reflective tape, conformable tape.
  • Automotive, Aerospace, HVAC, Appliance, Military, Government, Defense, Marine, Metal Finishing, Electronics, Recreational Vehicle, Construction, General industrial.
  • Masking, sealing, seaming, shielding, chemical stripping, harness wrapping, joining, vibration damping, electroplating, plastic protection, chemical milling, heat shielding, heat reflecting, paint stripping.




Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: How long is a full roll of this 3M aluminum prop tape (427)?

This tape is priced and sold by the foot. A full roll is 60 yards or 180 feet.

Q: How wide is the 3M aluminum prop tape (427)?

This tape is 2" wide.

Q: How do you repackage the tape if it is taken off the roll and sold by the foot?

The tape has a paper liner, so we sell the length ordered, and the user just peels the liner off when ready to use.

Q: Is the adhesive of this 3M aluminum prop tape conductive?

Yes, this tape is thermally conductive.

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