• Description for 3M 3939

    Composed of waterproof polyethylene film over cloth scrim backing with a rubber adhesive used for demanding duct tape applications.

    *See Terms of Use Below

    Application Type Bond, Repair, Seal
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate Steel
    Manufacturer 3M
    Chemistry rubber, Polyethylene
    Cure Method Pressure Sensitive
    Color Silver
    Key Specifications Meets UL 723, HUD, and BOCA codes
  • Technical Data

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  • Best Practices

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Tensile Strength Test Methods
Tensile Strength Test Method
27 (lbs./in.) ASTM D-3759, width
General Bond Strength Test Methods
General Bond Strength Substrate Test Method
55 (oz./in.) Steel ASTM D-3330, width
Elongation Test Methods
Elongation Test Method
17 % D-3759 (at Break)