3M 9851

3M 9851 Datasheet
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  • Description for 3M 9851

    Double Coated tape with moderate performance rubber adhesive

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Double-Coated Tape
    Manufacturer 3M
    Chemistry Rubber
    Cure Method Pressure Sensitive
    Chemical Resistance Excellent
    High Temperature Resistance (°C) 121, 177, 66

  • Technical Data for 3M 9851

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    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Tape - Double-Coated Tape
    • Chemistry
      • Other - Rubber
    • Application Method
      • Dispenser - Lamination equipment
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    Specifications
    Cure Specs
    Application Temperature (°F) 70 to 100
    Material Resistance
    Chemical Resistance Excellent
    High Temperature Resistance (°C) 121, 177, 66
    Hardness
    Flexibility Firm

  • Best Practices for 3M 9851

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    1. Surface Preparation

      To obtain optimum adhesion, all substrate surfaces must be clean and dry. A typical cleaning solvent is an isopropyl alcohol/water solution with a mixture ratio of 50:50 (rubbing alcohol). Be sure to follow solvent manufacturer’s precautions and directions for use when using solvents.

    2. Application

      Ideal tape application temperature range is 70°F to 100°F (21°C to 38°C). Initial tape application to surfaces at temperatures below 50°F (10°C) is not recommended because the adhesive becomes too firm to adhere readily. However, once properly applied, low temperature holding is generally satisfactory.

      Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure develops better adhesive contact and helps improve bond strength. The bond strength will increase as the adhesive flows onto the surface. At room temperature approximately 50% of the ultimate strength will be achieved after 20 minutes, 90% after 24 hours and 100% after 72 hours. In some cases ultimate bond strength can be achieved more quickly by exposure of the bond to elevated temperatures (e.g. 150°F or 66°C for one hour). This provides better adhesive wet-out onto the surface.

      Please also refer to the technical bulletin of “Lamination Techniques for Converters for Laminating Adhesives” for more useful information on lamination techniques.

  • Comparable Materials for 3M 9851

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    Spec Engine® Results

    • 3M
      VHB Tape 4646(3M)

      • Dark gray • Interior bonding applications • Exterior bonding applications • Replace spot welds • Excellent solvent resistance. • Replace liquid adhesives • Replace rivets • High temperature resistance • UL 746C • Excellent durability.

    • 3M
      VHB Tape 4920(3M)

      • White • Interior bonding applications • Exterior bonding applications • Replace spot welds • Excellent solvent resistance. • Replace liquid adhesives • Replace rivets • High Tensile • High shear • Excellent durability.

    • 3M
      4950(3M)

      • White, closed-cell acrylic foam carrier • used on high surface energy plastic substrates • Apply as low as 50°F (10°C) • UL 746C

    • Compare All
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