3M 821 Datasheet 3M 821

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  • Description for 3M 821

    A lightly tinted pink film tape designed for protecting labels and packaging lists.

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    Application Type Bond
    1 Part or 2 Part 1-Part
    Material Form Tape
    Substrate Steel
    Manufacturer 3M
    Chemistry Acrylic, Synthetic, Acetate
    Cure Method Pressure Sensitive
    Color Matte finish, Transparent pink
    Aging Resistance Long aging
    Low Temperature Resistance (°C) Stable in cold temperatures

  • Technical Data for 3M 821

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    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Tape
    • Substrate
      • Steel
      • Other - Write on surface, Low glare surface
    • Industry
    • Chemistry
      • Acrylic
      • Other - Synthetic, Acetate
    • Application Method
      • Dispenser - Manual dispensers, Cuts easily and easy to dispense
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Pink - Transparent pink
      • Other - Matte finish
    Specifications
    Cure Specs
    Fixture or Handling Strength Time (min) Easy
    Bond Strength
    General Bond Strength (psi) 25 (oz./in.) Test Method
    Tensile Strength (psi) 12 (lbs./in.) Test Method
    Material Resistance
    Aging Resistance Long aging
    Abrasion Resistance Abrasion protection
    Low Temperature Resistance (°C) Stable in cold temperatures
    Moisture/Humidity Resistance Moisture protection
    Hardness
    Elongation (%) 15 Test Method
    Business Information
    Shelf Life Details Storage of Scotch® Label Protection Tape 821 is recommended at 70°F (21°C) and 40-50% relative humidity.
    Shelf Life Temperature (°F) 70

  • Best Practices for 3M 821

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  • Comparable Materials for 3M 821

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    Spec Engine® Results

    • 3M
      4714(3M)

      Adhere to a variety of substrates, including latex-painted wood, lacquered wood, enameled steel, glass, aluminum, stainless steel, acrylic, ABS, and PVC (non-plasticized) as tape adhesion is typically satisfactory within 20 minutes and continues to build with additional time.

    • 3M
      5952(3M)

      Dark Gray, closed-cell acrylic foam carrier • Very conformable • Good adhesion to many painted surfaces, including powder coated paint •Apply as low as 50°F (10°C) • UL 746C

    • 3M
      4936(3M)

      • Gray, closed-cell acrylic foam carrier • Conformable • Good adhesion to many painted metals • Plasticizer resistant • UL 746C

    • Compare All
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General Bond Strength Test Methods
General Bond Strength Substrate Test Method
25 (oz./in.) Steel ASTM D-3330, width (27 N/100 mm width)
Tensile Strength Test Methods
Tensile Strength Test Method
12 (lbs./in.) ASTM D-3759, Longitudinal, width (210 N/100 mm width)
Elongation Test Methods
Elongation Test Method
15 % ASTM D-3759 (at Break)