3M 425 Aluminum Foil Tape

3M™ Aluminum Foil Tape 425 combines a 3 mil nominal dead soft aluminum foil backing with a transparent acrylic adhesive.

Product Features

• Temperature Rating: 300° F / 149° C
• The very low moisture vapor transmission rate makes these tapes a good sealant
• The acrylic adhesive, combined with the durable aluminum backing, offers ideal properties for long serviceable life in and outdoors
• Good candidate as a maskant in electroplating of aluminum because it will not contaminate the bath
• Aluminum backing provides excellent reflection of both heat and light

Construction

• 2.8 Mil Foil Thickness
• 1.8 Mil Adhesive Thickness
• 4.6 Mil Total Thickness
• Roll Length - 60 yards

Application Ideas

• Aircraft paint stripping maskant
• Moisture barrier in “white goods” appliances
• General purpose heat reflector and heat dissipater
• Mechanically hold wires and cooling coils in “white goods” appliances
• Repair tears on truck trailers and aircraft
• Splicing of thin gauge foils
• General purpose holding, patching, sealing applications – indoors and out

Specifications

• Tensile Strength (lb/in) - 28
• Elongation (%) - 6
• Steel Adhesion (oz/in) - 47
• Flame resistant. Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311)
• Can be certified to meet SAE-AMS-T-23397 and L-T-80C
• Meets requirements of FAR 25.853(a)

IMPORTANT: These tapes are not intended for medical usage. Neither 3M™nor the Food and Drug Administration have evaluated or reviewed this tape for medical application. 3M™does not recommend or endorse the usage of the aluminum tape for medical application. User assumes all risk and liability whatsoever in connection with usage of product in a medical application.