• Description for 3M 4108

    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.

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Single coated tape
    Substrate acrylic, Aluminum, glass, ABS, PVC (non-plasticized), enameled steel, Stainless Steel, latex-painted wood, lacquered wood
    Manufacturer 3M
    Chemistry Acrylic, Urethane
    Cure Method Pressure Sensitive
    Color Natural-white
    Chemical Resistance Acetone, Gasoline, JP-4 (jet fuel), MEK
    High Temperature Resistance (°C) 93, 177
    Low Temperature Resistance (°C) -18
    Density (g/cm³) High, 0.256
  • Technical Data for 3M 4108

    Overview
    Specifications
    Bond Strength
    Shear Strength (psi) Excellent
    Tensile Strength (psi) 130 Test Method
    Material Resistance
    Chemical Resistance Acetone, Gasoline, JP-4 (jet fuel), MEK
    High Temperature Resistance (°C) 93, 177
    Low Temperature Resistance (°C) -18
    Conductivity
    Thermal Conductivity (W/m°K) 0.07 Test Method
    Surface Resistivity (O) 6e14 (ohms/sq), 1e15 (ohms/sq) Test Method
    Hardness
    Elongation (%) 80 Test Method
    Shore OO Hardness 75 Test Method
    Other Properties
    Density (g/cm³) High, 0.256 Test Method
    Business Information
    Shelf Life Details 18 months from date of manufacture.;Store in the original cartons at 60-80°F (15-27°C) and 50% relative humidity.
    Shelf Life Temperature (°F) 140 to 176
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 18
  • Best Practices for 3M 4108

    *See Terms of Use Below

    1. Surface Preparation

      To obtain optimum adhesion, the bonding surface must be clean, dry, and well unified. Some typical surface cleaning solvents are isopropyl alcohol and heptane.

      Be sure to follow the solvent manufacturer’s precautions and directions for use when handling solvents.

    2. Application

      Bond strength is dependent upon the amount of adhesive-to-surface contact. Firm application pressure develops better adhesive contact and helps improve bond strength.

      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.

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Tensile Strength Test Methods
Tensile Strength Test Method
130 psi ASTM D-3574, Die "A"
Dielectric Strength Test Methods
Dielectric Strength Test Method
Surface Resistivity Test Methods
Surface Resistivity Test Method
6e14 (ohms/sq) Non-adhesive side, ASTM D-257
1e15 (ohms/sq) Adhesive side, ASTM D-257
Thermal Conductivity Test Methods
Thermal Conductivity Test Method
0.07 W/m°K ASTM C-518
Elongation Test Methods
Elongation Test Method
80 % ASTM D-3574, Die “A”
Shore OO Hardness Test Methods
Shore OO Hardness Shore Hardness Test Method
75 ASTM D-2240, Foam with adhesive
Density Test Methods
Density Test Method
High
0.256 g/cm³ ASTM D-3574, Foam with adhesive
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