• Description for 3M 4318

    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: Fluid Resistance: Soapy Water Resistance, Chemical Resistance: Solvent resistance, Ammonia Cleaner, Engine Oil, Gasoline, JP-4 (jet fuel), MEK, Mineral Spirits
    Application Type Bond, Seal
    1 Part or 2 Part 1 Part
    Material Form Foam Tape
    Substrate Aluminum, Glass, ABS, PVC (non-plasticized), Enameled steel, Stainless Steel, Latex-painted wood, Acrylic, Lacquered wood
    Industry Printers, Recessed lighting seal, Automotive dash boards, Aircraft lights, Computers, Keyboards, Door seal, Window seal, Aircraft lights
    Manufacturer 3M
    Chemistry Urethane, Acrylic
    Cure Method Pressure Sensitive
    Color Charcoal grey
    Aging Resistance Excellent Aging resistance
    High Temperature Resistance (°C) 66, 121
    Low Temperature Resistance (°C) -29
    Density (g/cm³) Low, 2 (lb/cu ft)
    Key Specifications Meets F.A.R requirement

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Tensile Strength Test Methods
Tensile Strength Test Method
25 psi ASTM D-3574, Die "A"
Dielectric Strength Test Methods
Dielectric Strength Test Method
20 V/mil ASTM D-149
Surface Resistivity Test Methods
Surface Resistivity Test Method
6e12 (ohms/sq) Non-adhesive side, ASTM D-257
1e13 (ohms/sq) Adhesive side, ASTM D-257
Thermal Conductivity Test Methods
Thermal Conductivity Test Method
0.52 W/m°K ASTM C-518
Elongation Test Methods
Elongation Test Method
125 % ASTM D-3574, Die “A”
Shore OO Hardness Test Methods
Shore OO Hardness Shore Hardness Test Method
10 ASTM D-2240, Foam with adhesive
Density Test Methods
Density Test Method
Low
2 (lb/cu ft) ASTM D-3574, Foam with adhesive