3M DP420NS Scotch-Weld Epoxy Adhesive Datasheet 3M DP420NS Scotch-Weld Epoxy Adhesive

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  • Description for 3M DP420NS Scotch-Weld Epoxy Adhesive

    It is high performance, two-part epoxy adhesives offering outstanding shear and peel adhesion, and very high levels of durability.<br/>

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Industry Automotive Wheels (Assembly)
    Manufacturer 3M
    Chemistry Epoxy
    Cure Method 2-Part Cure
    Viscosity (cPs) Non sag
  • Technical Data for 3M DP420NS Scotch-Weld Epoxy Adhesive

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Industry
      • Automotive Wheels - Automotive Wheels (Assembly)
    • Chemistry
    • Cure Method
      • 2-Part Cure
    Specifications
    Cure Specs
    Viscosity (cPs) Non sag Test Method
    Fixture or Handling Strength Time (min) 120 Test Method
    Work / Pot Time (min) 20 Test Method
    Mix Ratio 2:1 (by volume), 2:0.97 (by weight)
    Bond Strength
    Structural/Load-Bearing Structural
    Peel Strength (piw) 50, High Test Method
    Shear Strength (psi) 4,500, 4,500, 1,250, High Test Method
    Business Information
    Shelf Life Details Store products at 60-80°F (15-27°C) or refrigerate for maximum shelf life.;These products have a shelf life of 15 months in original containers at room temperature.
    Shelf Life Temperature (°F) 59 to 81
    Shelf Life (mon) 15
  • Best Practices for 3M DP420NS Scotch-Weld Epoxy Adhesive

    *See Terms of Use Below

    1. Design

      For the best adhesive bond, there should be at least a .003"-.005" gap between the parts for shear and 0.015" - 0.020" for peel. The gap should be as consistent as possible.

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Time Temperature
120 min 24°C
Viscosity Test Methods
Viscosity Test Method
Non sag
Work / Pot Time Test Methods
Work / Pot Time Temperature
20 min 24°C
Peel Strength Test Methods
Peel Strength Type Test Temperature
50 piw T-Peel Strength 24°C
High
Shear Strength Test Methods
Shear Strength Type Test Temperature
4,500 psi Overlap Shear Strength -55°C
4,500 psi Overlap Shear Strength 24°C
1,250 psi Overlap Shear Strength 82°C
High