• Description for 3M 425

    5 mil nominal dead soft aluminum foil backing combined with a transparent acrylic adhesive.

    *See Terms of Use Below

    Application Type Bond, Seal
    1 Part or 2 Part 1 Part
    Material Form Aluminum Foil Tape
    Substrate Steel
    Industry Industrial: General purpose heat reflector, Industrial: Splicing of thin gauge foils, Industrial: General purpose holding
    Manufacturer 3M
    Chemistry Acrylic, Dead soft aluminum
    Cure Method Pressure Sensitive
    Color Shiny silver
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -54
    Light Refractive Index (RI) Excellent Reflection Light
    Key Specifications 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).
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

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General Bond Strength Test Methods
General Bond Strength Substrate Test Method
47 (oz./in.) Steel ASTM D-3330, width
Tensile Strength Test Methods
Tensile Strength Test Method
28 (lbs./in.) ASTM D-3759, width
Elongation Test Methods
Elongation Test Method
6 % ASTM D-3759 (at Break)