• Description for 3M 431

    A 2-mil nominal dead soft aluminum foil with transparent acrylic adhesive for many permanent sealing, holding, splicing or masking applications requiring the protection offered by a foil backing.

    *See Terms of Use Below

    Application Type Adhesion, Masking, Sealing
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate Steel
    Industry Splicing, General purpose holding indoors, Seal in truck trailers, Seal in truck trailers, General purpose holding outdoors, Patch tears in truck trailers, Patch tears in truck trailers
    Manufacturer 3M
    Chemistry Acrylic
    Cure Method Pressure Sensitive
    Color Shiny silver
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -54
    Key Specifications Meets requirements of F.A.R. 25.853(a); U.L. 723, Class “L” low flammability rating (File R 7311)
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

    *See Terms of Use Below

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