• Description for 3M 3789

    High performance for plastics • Impact resistant • Bonds vinyl and wood • Good fuel and oil resistance

    *See Terms of Use Below

    Application Type Bond, Seal
    1 Part or 2 Part 1 Part
    Material Form Bulk
    Substrate Fabric, Vinyl, HardWood, Flexible foam, Paper, Acrylic, PVC, ABS, Glass, Metal, Flexible Vinyl, Particle Board, Soft Wood, Coated Chipboard, Wood, Uncoated Cardboard, Uncoated Chipboard, Coated Cardboard
    Manufacturer 3M
    Chemistry Polyamide
    Cure Method Hot melt
    Viscosity (cPs) 5,200
    Color Brown
    Chemical Resistance Good Fuel Resistance, Good Oil Resistance
    High Temperature Resistance (°C) 104
    Key Specifications FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): Applicable 21 CFR 175.105, UL 94 - V2
  • Technical Data for 3M 3789

    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Bulk
    • Substrate
      • Foam - Flexible foam
      • Glass
      • Metal
      • Plastic - ABS
      • Vinyl - Flexible Vinyl
      • Acrylic (PMMA) - Acrylic
      • Polyvinyl chloride (PVC) - PVC
      • Wood - HardWood, Particle Board, Soft Wood, Uncoated Cardboard, Uncoated Chipboard, Coated Cardboard, Coated Chipboard
      • Fabric
      • Paper
      • Other - Masonite, Leather
    • Industry
    • Chemistry
    • Application Method
      • Dispenser - Lamination equipment
    • Cure Method
      • Hotmelt - Hot melt
    • Color
      • Brown
    • Key Specifications
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - UL 94 - V2
      • FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): 175.105 - Applicable 21 CFR 175.105
    Cure Specs
    Application Temperature (°F) 351 to 385
    Viscosity (cPs) 5,200 Test Method
    Softening Point (°C) 132 Test Method
    Work / Pot Time (min) 0.83 Test Method
    Bond Strength
    Peel Strength (piw) 16, 28 (N/10mm) Test Method
    Shear Strength (psi) 570, 3.9 (MPa) Test Method
    Impact Strength (psi) High impact strength
    Tensile Strength (psi) 520, 3.6 (MPa) Test Method
    Material Resistance
    Chemical Resistance Good Fuel Resistance, Good Oil Resistance
    High Temperature Resistance (°C) 104 Test Method
    Impact Resistance High Impact, 14 (in/lbs), 40 (in/lbs) Test Method
    Elongation (%) 600
    Other Properties
    Flash Point (°F) 635.0, >392.0 Test Method
    % Solids (%) 100
    Business Information
    Shelf Life Details 12 months from date of despatch by 3M when stored in the original carton at 21°C (70°F) & 50 % Relative Humidity
    Shelf Life Temperature (°F) 70
    Shelf Life Type From the date of despatch
    Shelf Life (mon) 12
  • Best Practices for 3M 3789

    *See Terms of Use Below

    1. Surface Preparation

      Surfacesmust be clean, dry and dust free. Wipe with a solvent such as isopropyl alcohol for plastic, metal and glass substrates to remove oil and dirt.

    2. Application

      3M™Hot Melt Adhesives are designed for application with a 3M™ Hot Melt Applicators. Read and follow the precautions and directions for use in the user’s manual before operating the applicator. 3M™ Hot Melt Adhesives are applied at 350- 385°F. Adhesives yield approximately 430 linear feet per pound of adhesive when extruded as a 1/8” diameter semi-circular bead. Extruded bead sizes can be customized using 3M™ applicator tips.

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Viscosity Test Methods
Viscosity Test Method Temperature
5,200 cPs Brookfield Thermocel Viscometer in Centipoise using a #27 Spindle @ 10 RPM 191°C
Softening Point Test Methods
Softening Point Unit Test Method
132°C ASTM E28-67
Work / Pot Time Test Methods
Work / Pot Time Test Method
0.83 min 1/8" semicircular bead, Douglas Fir to Douglas Fir.
Shear Strength Test Methods
Shear Strength Substrate Test Temperature
570 psi Douglas fir 22°C
3.9 (MPa) Douglas Fir 22°C
Tensile Strength Test Methods
Tensile Strength Test Temperature
520 psi 22°C
3.6 (MPa) 22°C
Peel Strength Test Methods
Peel Strength Cure Temperature Substrate Test Temperature
16 piw Canvas 22°C
28 (N/10mm) 22°C Canvas
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
104°C Temperature at which adhesive fails
Impact Resistance Test Methods
Impact Resistance Test Method
High Impact
14 (in/lbs) Impact resistance: 14 in/lbs at -18°C
40 (in/lbs) Impact resistance 40 in/lbs at 22°C
Flash Point Test Methods
Flash Point Test Method
>200.0°C ASTM D 92-72