3M Aluminum Foil Tape 425

3M Aluminum Foil Tape 425 Datasheet
  • Description for 3M Aluminum Foil Tape 425

    It is 3 mil nominal dead soft aluminum foil backing with a transparent acrylic adhesive, offers sealing applications – indoors and out, maskant in electroplating of aluminum, good sealant.

    *See Terms of Use Below

    Application Type Bond, Sealant
    Material Form Tape
    Substrate Steel
    Industry Aircraft paint stripping maskant, General purpose heat reflector, Splicing of thin gauge foils, Repair tears on truck trailers, Repair tears on truck trailers, Mechanically hold cooling coils in “white goods” appliances., Maskant in electroplating of aluminum, Repair tears on aircraft, General purpose holding
    Manufacturer 3M
    Chemistry Acrylic Adhesive
    Cure Method Pressure Sensitive
    Color Shiny silver, Transparent
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -54
    Durability Durable
    Light Refractive Index (RI) Excellent Reflection of Light
    Key Specifications UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311, Meets requirements of F.A.R. 25.853(a), ANSI (American National Standards Institute): UL 723 Class “L” low flammability rating (File R 7311) Can be certified to meet L-T-80C
  • Technical Data for 3M Aluminum Foil Tape 425

    Overview
    • Application Type
    • Material Form
      • Tape
    • Substrate
    • Industry
      • Trucks - Repair tears on truck trailers
      • Trailer - Repair tears on truck trailers
      • Aircraft - Aircraft paint stripping maskant, Repair tears on aircraft
      • Electronics - Maskant in electroplating of aluminum
      • Coils - Mechanically hold cooling coils in “white goods” appliances.
      • Industrial - Indoor sealing applications, Outdoor sealing applications
      • General Purpose - General purpose heat reflector, General purpose holding
      • Splicing - Splicing of thin gauge foils
      • Appliances - Moisture barrier in “white goods” appliances., Mechanically hold wires in “white goods” appliances, Mechanically hold cooling coils in “white goods” appliances.
      • Other - Heat dissipator, Patching
    • Chemistry
      • Acrylic - Acrylic Adhesive
      • Tape Backing - Dead soft aluminum foil
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Clear / Transparent - Transparent
      • Gray - Shiny silver
    • Key Specifications
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - Meets requirements of F.A.R. 25.853(a)
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): 746C - Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311
      • ANSI (American National Standards Institute): ANSI/UL 723 - UL 723 Class “L” low flammability rating (File R 7311) Can be certified to meet L-T-80C
    Specifications
    Cure Specs
    Application Temperature (°F) >32
    Bond Strength
    Peel Strength (piw) 5.1 (N/cm) Test Method
    Tensile Strength (psi) 28 (lbs./in.) Test Method
    Tape Properties
    Single Sided Single sided
    Total Thickness (mil) 5
    Material Resistance
    Flame Resistance Flame resistant
    High Temperature Resistance (°C) 149 Test Method
    Low Temperature Resistance (°C) -54 Test Method
    Hardness
    Durability Durable
    Elongation (%) 6 Test Method
    Other Properties
    Light Refractive Index (RI) Excellent Reflection of Light
    Business Information
    Shelf Life Details Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in the original carton To obtain best performance, use this product within 24 months from date of manufacture.
    Shelf Life Temperature (°F) 60 to 80
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 24
    Not Good For
    Don't Use For Food and Drug, Not intended for medical usage
  • Best Practices for 3M Aluminum Foil Tape 425

    *See Terms of Use Below

    1. Surface Preparation

      Best results obtained when applied to a clean, dry surface above 32°F (0°C).

  • Comparable Materials for 3M Aluminum Foil Tape 425

    *See Terms of Use Below

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Tensile Strength Test Methods
Tensile Strength Test Method
28 (lbs./in.) ASTM D3759
Peel Strength Test Methods
Peel Strength Type Test Method
5.1 (N/cm) 180° Peel Adhesion ASTM D3330; 12 in/min (300 mm/min)
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
149°C Long Term Temperature Resistance, Long Term (day, weeks)
Low Temperature Resistance Test Methods
Low Temperature Resistance Test Method
-54°C Long Term (day, weeks) , Minimum Long Term Temperature Resistance
Elongation Test Methods
Elongation Test Method
6 % ASTM D-3759 (at Break)