425 Aluminum Foil Tape


General purpose aluminum tape. 3M™ 425 Aluminum Foil Speed Tape is a 5 mil nominal dead soft aluminum foil backing combined with a transparent acrylic adhesive. Flame resistant. Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311).

3M aluminum foil tape 425 can be certified to meet SAE-AMS-T-23397 and L-T-80B.

Specifications Value
Backing Thickness 0.0028”
Overall Thickness 0.0046”
Standard Color Silvery Metallic
Peel Adhesion 47 oz/in
Tensile Strength 30 lbs/in
Elongation at breaking 8%
Continuous Temperature Range -65ºF to 300ºF
Intermittent High Temperature (hours, days) 300ºF
Adhesive Acrylic
Storage 1 year @ 70ºD, 50% Humidity