• Description for 3M 4508

    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

    Chemical Resistance Acetone, Chemical Resistance: MEK
    Application Type Bond
    1 Part or 2 Part 1-Part
    Material Form Foam Tape
    Substrate Acrylic, Aluminum, Glass, PVC (non-plasticized), Enameled steel, Latex-painted wood, Stainless Steel, ABS, Lacquered wood
    Industry Copiers and other electronic, Transportation equipment, Computers
    Manufacturer 3M
    Chemistry Acrylic, Vinyl
    Cure Method Pressure Sensitive
    Color Black
    Aging Resistance Excellent aging resistance
    High Temperature Resistance (°C) 66, 121
    Low Temperature Resistance (°C) -18
    Density (g/cm³) High, 0.320
  • Technical Data for 3M 4508

    Overview
    • Chemical Resistance
      • Chemical Resistance - Acetone
      • Chemical Resistance : Relative Solvent Resistance - MEK
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Tape - Foam Tape
    • Substrate
    • Industry
    • Chemistry
    • Application Method
      • Contact
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Black
    Specifications
    Cure Specs
    Work / Pot Time (min) 20
    Bond Strength
    Tensile Strength (psi) 100 Test Method
    Material Resistance
    Aging Resistance Excellent aging resistance
    UV Resistance excellent UV resistance
    High Temperature Resistance (°C) 66, 121
    Low Temperature Resistance (°C) -18
    Conductivity
    Thermal Conductivity (W/m°K) 0.04 Test Method
    Surface Resistivity (O) 4e10 (ohms/sq), 1e11 (ohms/sq) Test Method
    Hardness
    Elongation (%) 200 Test Method
    Shore OO Hardness 50 Test Method
    Flexibility Flexible
    Other Properties
    Density (g/cm³) High, 0.320 Test Method
    Business Information
    Shelf Life Details Storage: 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 4508

    *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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    *See Terms of Use Below

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Tensile Strength Test Methods
Tensile Strength Test Method
100 psi ASTM D-3574, Die "A"
Dielectric Strength Test Methods
Dielectric Strength Test Method
Surface Resistivity Test Methods
Surface Resistivity Test Method
4e10 (ohms/sq) Non-adhesive side, ASTM D-257
1e11 (ohms/sq) Adhesive side, ASTM D-257
Thermal Conductivity Test Methods
Thermal Conductivity Test Method
0.04 W/m°K ASTM C-518
Elongation Test Methods
Elongation Test Method
200 % ASTM D-3574, Die “A”
Shore OO Hardness Test Methods
Shore OO Hardness Shore Hardness Test Method
50 ASTM D-2240, Foam with adhesive
Density Test Methods
Density Test Method
High
0.320 g/cm³ ASTM D-3574, Foam with adhesive