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3M aluminum foil tape 425

Product Details

Everything you need to know about this product’s features, applications, and specifications.

Dead soft aluminum backing for high conformability. Acrylic adhesive for long-term indoor and outdoor durability. Reflective surface for heat and light management. Low moisture vapor transmission for effective sealing. Flame resistant (UL 723, Class “L”). Suitable for a wide range of industrial applications.
HVAC, Aerospace, Automotive, Manufacturing, Appliance
General sealing and patching. Heat reflection and thermal dissipation. Masking in electroplating applications. Splicing thin gauge foils. Repair of truck trailers and aircraft surfaces.

3M™ Aluminum Foil Tape 425

Durable aluminum foil tape for sealing, masking, and heat reflection in demanding environments

3M™ Aluminum Foil Tape 425 is a dead soft aluminum foil tape with an acrylic adhesive designed for sealing, masking, splicing, and heat reflection applications.

With a total thickness of 4.6 mil (0.12 mm), it provides a durable and conformable foil backing that performs well in both indoor and outdoor environments.

Its low moisture vapor transmission and reflective surface make it ideal for long-term sealing, thermal management, and general industrial use.

Quick Specs

Adhesive

Backing

Thickness

Color

Application

Acrylic
Dead soft aluminum foil
4.6 mil
Shiny Silver
Sealing / Masking
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