General purpose aluminum tape. 3M™ Aluminum Foil Tape 425 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.
|Backing thickness ASTM-D-3652||0.0028”|
|Overall thickness ASTM-D-3652||0.0046”|
|Standard color||Silvery metallic|
|Peel adhesion ASTM-D-1000||47 oz/in|
|Tensile strength ASTM-D-1000||30 lbs/in of width|
|Elongation at breaking ASTM-D-1000||8%|
|Continuous Temperature Range (weeks, months)||-65° F to 300° F|
|Intermittent High Temperature (hours, days)||300° F|
|Storage||1 year @ 70 ° F, 50% humidity|