3M™ Aluminum Foil Tape 439 Silver

3M™ Aluminum Foil Tape 439 is a linered 2-mil nominal dead soft aluminum foil with transparent acrylic adhesive for many permanent sealing, holding, splicing or masking applications requiring the protection offered by a foil backing.


  • 3M™ Aluminum Foil Tape 439 Silver


  • Conformable
  • 1.2 mil adhesive on 5.6 mil, 83# brown kraft liner
  • Linered version of 431
  • Resists flame, moisture, weather, and UV degradation


  • Masking
  • Sealing
  • Seaming
  • Shielding
  • Chemical stripping
  • Joining
  • Vibration damping
  • Electroplating

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