3M™ Aluminum Foil Tape 425, Silver, 12 mm x 55 m, 4.6 mil, 48 Rolls/Case

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.
Special Price $23.17 Regular Price $27.26
UPC 00638060407646
3M ID 7100229093
Packaging Case
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Withstands Exposure to High Heat and Humidity

Consisting of a dead soft, thermally conductive aluminum backing, 3M™ Aluminum Foil Tape 425 dissipates heat over the surface of the tape to reduce hot spots and protect the substrate from the effects of high temperatures. 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.

Recommended Applications

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

3M™ Aluminum Foil Tape 425 is UL Recognized to UL 746C (File E 122798) and Classified by UL to UL 723 "L" for low flammability rating (File R 7311). It can be certified to meet L-T-80C and meets F.A.R 25.853(a). Temperature use range is from -65°; to 300°F (-54°; to 149°C).


  • Thermally conductive tape helps dissipate heat and improves heating and cooling efficiency to protect temperature sensitive materials
  • Resistant to chemicals to protect surfaces during de-paint process and other chemical masking operations
  • Highly engineered acrylic adhesive provides long term durability, but removes cleanly after harsh masking applications
  • Withstands exposure to flame, weathering, moisture and UV
  • Heat and light reflective tape protects surfaces and enhances lighting efficiency
  • Dead soft aluminum foil backing conforms to curved and uneven surfaces
  • Recognized by UL to UL 746C and Classified by UL to UL 723, Class "L" for low flammability rating
More Information
3M ID 7100229093
Part number 425
Keywords 3M, Aluminum Foil Tape, 3M Aluminum Foil Tape, heat shielding, heat reflecting, chemical masking, light enhancement, chemical milling, seaming, sealing, de-paint operations, thermally conductive tape, dissipate heat, temperature sensitive materials, clean removal, harsh masking applications, flame resistant tape, weathering resistant tape, moisture resistant tape, UV resistant tape, reflective tape, aluminum foil backing, high heat exposure, humidity resistant, moisture barrier, freezer coil attachment, splicing thin foils, plastic protection, automotive, design and construction, energy, manufacturing, transportation, aerospace, appliance, commercial vehicles, specialty vehicles, electrical construction, electrical equipment manufacturing, energy conservation, facility maintenance, industrial maintenance, repair, marine, metalworking, OEM, oil and gas, paper and print, recreation vehicles, rail, rig fabrication, two wheel vehicles.
Global Product Hierarchy Tapes > Foil Tapes > Aluminum Tapes
Application Wiring Harness Attachment
Backing (Carrier) Material Aluminum Foil
Backing (Carrier) Thickness (Imperial) 2.8 mil
Backing (Carrier) Thickness (Metric) 0.07 mm
Color Family Gray
Product Color Silver
Product Number 425
Product Type simple
Quantity 0
Trademark 1 3M™
Country of Origin United States
Sales Unit RO
SAP Shelf Life In Days 730
Base - Billing Unit ROL
Base - Customary Length Dimension 2165.3543 INCH
Base - Customary Width Dimension 0.4724 INCH
Base - Metric Gross Weight 180.52 G
Base - Metric Length Dimension 55.0 M
Base - Metric Width Dimension 12.0 MM
Base - Item Quantity 1
Base - Unit ROL
Unit of Use - Billing Unit ROL
Unit of Use - Customary Cubic Dimension 20.890441387181987 ci
Unit of Use - Customary Gross Weight 0.39797847569614103 lbs
Unit of Use - Customary Net Weight 0.3539984590128798 lbs
Unit of Use - Metric Cubic Dimension 342.333 CCM
Unit of Use - Metric Net Weight 160.571 G
Unit of Use - Item Quantity 1
Unit of Use - Total Unit Quantity 1
Unit of Use - Previous Packaging Level Quantity 1
Unit of Use - Item Unit RLS
Unit of Use - Unit ROL
Shipper - Billing Unit ROL
Shipper - Customary Cubic Dimension 1002.7427732020818 ci
Shipper - Customary Gross Weight 19.102999902754096 lbs
Shipper - Customary Net Weight 16.99192603261823 lbs
Shipper - Customary Height Dimension 7.75 in
Shipper - Customary Length Dimension 11.374803149606299 in
Shipper - Customary Width Dimension 11.374803149606299 in
Shipper - Metric Cubic Dimension 16432.01 CCM
Shipper - Metric Weight 8664.975 G
Shipper - Metric Net Weight 7707.408 G
Shipper - Metric Height Dimension 19.685 CM
Shipper - Metric Length Dimension 28.892 CM
Shipper - Metric Width Dimension 28.892 CM
Shipper - Item Quantity 48
Shipper - Total Unit Quantity 48
Shipper - Previous Packaging Level Quantity 48
Shipper - Previous Packaging Level Unit RLS
Shipper - Item Unit RLS
Shipper - Unit CS
Pallet - Billing Unit ROL
Pallet - Customary Cubic Dimension 103557.29372876069 ci
Pallet - Customary Gross Weight 1181.9996002137339 lbs
Pallet - Customary Net Weight 1019.5145037382352 lbs
Pallet - Customary Height Dimension 51.37992125984252 in
Pallet - Customary Length Dimension 48.0 in
Pallet - Customary Width Dimension 42.0 in
Pallet - Metric Cubic Dimension 1.697 M3
Pallet - Metric Net Weight 462.444 KG
Pallet - Metric Height Dimension 130.505 CM
Pallet - Metric Length Dimension 121.92 CM
Pallet - Metric Width Dimension 106.68 CM
Pallet - Item Quantity 2880
Pallet - Total Unit Quantity 2880
Pallet - Previous Packaging Level Quantity 60
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit RLS
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 4
Pallet - Shipping Container Per Layer Quantity 12
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