3M Aluminum Foil Tape 425 Datasheet 3M Aluminum Foil Tape 425

Information provided by Gluespec
  • 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 Maskant in electroplating of aluminum, General purpose heat reflector, Splicing of thin gauge foils, Mechanically hold cooling coils in “white goods” appliances., Repair tears on truck trailers, Repair tears on truck trailers, Aircraft paint stripping maskant, General purpose holding, Repair tears on aircraft
    Manufacturer 3M
    Chemistry Acrylic Adhesive
    Cure Method Pressure Sensitive
    Application Temperature (°F) >32
    Color Shiny silver, Transparent
    Total Thickness (mm) 0.117
    Single Sided Single sided
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -54
    Durability Durable
    Light Refractive Index (RI) Excellent Reflection of Light
    Key Specifications ANSI (American National Standards Institute): UL 723 Class “L” low flammability rating (File R 7311) Can be certified to meet L-T-80C, Meets requirements of F.A.R. 25.853(a), 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
  • 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
    • 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)
      • 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
      • 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
    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
    Total Thickness (mm) 0.117
    Single Sided Single sided
    Tape Backing Dead soft aluminum foil
    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

    Spec Engine® Results

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Peel Strength Test Methods
Peel Strength Type Test Method
5.1 (N/cm) 180° Peel Adhesion ASTM D3330; 12 in/min (300 mm/min)
Tensile Strength Test Methods
Tensile Strength Test Method
28 (lbs./in.) ASTM D3759
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)