3M™ Aluminum Foil Tapes 425 and 427 aluminum foil backing with a transparent acrylic adhesive.

Features

• 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-80C.
• Meets requirements of F.A.R. 25.853(a).
• 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.
• Best results obtained when applied to a clean, dry surface above 32°F (0°C).

Application

• 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.