3M 425 Aluminum Foil Tape

Flame-resistant aluminum foil tape with durable acrylic adhesive, offering excellent heat and light reflection. Meets U.L. 746C, 723, and FAR 25.853(a) standards. Low moisture vapor transmission makes it an effective sealant. Ideal as an aircraft paint stripping maskant, a moisture barrier in "white goods" appliances, general purpose heat reflection and dissipation, holding, patching and sealing.

Product Features

• Temperature Rating: 300° F / 149° C
• Flame resistant - see specification data for ratings
• Can be certified to meet L-T-80C
• Low moisture vapor transmission rate makes these tapes a good sealant
• 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 - it will not contaminate the bath
• Aluminum backing provides excellent reflection of both heat and light.
• Best results when applied to a clean, dry surface above 32°F (0°C)

Construction

• 4.6 Mil Total Thickness
• Roll Length - 60 yards

Specifications

• Tensile Strength (lb/in) - 28
• Elongation (%) - 6
• Steel Adhesion (oz/in) - 42