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3M Aluminum Foil Tape

Product Code: 3M425

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.
Adhesive Thickness Temperature Range
  • Acrylic
  • 0.12mm
  • Minus 54°C to 149°C
Features
  • Good Resistance to Ageing
  • Good Heat Deflection Properties
  • Flame Retardant
  • Excellent Resistance To Moisture

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