3M™ Aluminum Foil Tape 425

3M™ Aluminum Foil Tape 425, 4.6 mil (0.12mm), Dead-soft aluminum foil tape with a pressure sensitive acrylic adhesive.

3M™ Aluminum Foil Tape 425, dead-soft aluminum foil backing, excellent heat and light reflection to protect against high temperatures and U.V. degradation. The foil also serves as an excellent barrier against moisture, dust, flame, and certain chemicals as used in aircraft paint stripping masking. Acrylic adhesive supplies superior temperature, U.V. and solvent resistance. It provides excellent age life and is ideal for harsh, long-term outdoor environments. Meets F.A.R 25.853(a), O447.

Benefits:

• 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
• 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)