3M™ 425 Thermally Conductive Aluminum Foil Tape

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3M™ Aluminum Foil Tape 425

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3M™ Aluminum Foil Tape 425 is the go-to foil tape for numerous applications across a broad range of industries. Comprised of a dead soft aluminum foil backing and coated with a highly engineered pressure sensitive acrylic adhesive, it is ideal for heat shielding, heat reflecting, chemical masking, light enhancement, chemical milling, seaming, sealing and de-paint operations.

Coated with a highly engineered acrylic adhesive, it is capable of withstanding exposure to high heat (up to 300°F/149°C) and humidity while maintaining a strong and reliable bond. This tape can withstand a variety of moisture, weathering, UV and solvents in order to provide an excellent work life, indoors or out.


  • Heat shielding of delicate parts
  • Heat reflecting
  • Masking in chemical paint stripping applications
  • Moisture barrier
  • Light reflecting for light enhancement
  • Chemical milling
  • Seaming and sealing
  • Refrigerator and freezer coil attachment
  • Splicing of thin gauge foils
  • Plastic protection

Data Sheet

3M: 1" 7100053741,  70008501309   UPC:51125853880  36 rolls per case

3M: 3" 7100053644,  70008500541   UPC:51125853125, 51125853880  12 rolls per case  

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Sold By
Full Case
Removable / Repositionable
Single Sided
0.125” – 0.250”
Flame Resistance
Moisture Resistance
Product Attributes
Thermally Conductive
Performance Features
High performance acrylic