• Description for 3M 427

    5 mil nominal dead soft aluminum foil backing combined with a transparent acrylic adhesive, offers an easy-release liner.

    *See Terms of Use Below

    Application Type Bond, Seal, Indoor patching & sealing applications, Outdoor patching & sealing applications
    1 Part or 2 Part 1 Part
    Material Form Aluminum Foil Tape
    Substrate Steel
    Industry Industrial: Splicing of thin gauge foils, Industrial: General purpose heat reflector, 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 requirements of F.A.R. 25.853(a); Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311)
  • Technical Data

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  • Best Practices

    *See Terms of Use Below

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