• Description for 3M DP4XL EG

    High performance, two-part, toughened epoxy adhesive offering outstanding shear and peel adhesion, and very high levels of durability similar to 3M™ Scotch-Weld™ Epoxy Adhesive DP-460.

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Etched Aluminum
    Industry Hard Disk Drive Assembly, Magnet
    Manufacturer 3M
    Chemistry Epoxy
    Cure Method 2 Parts
    Viscosity (cPs) 15,000 to 25,000
  • Technical Data for 3M DP4XL EG

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
      • Disk Drive - Hard Disk Drive Assembly
      • Magnet
      • Other - Spindle Motor Assembly, E-Block Assembly, Bearing Cartridge Assembly
    • Chemistry
    • Cure Method
      • 2-Part Cure - 2 Parts
    Specifications
    Cure Specs
    Viscosity (cPs) 15,000 to 25,000 Test Method
    Fixture or Handling Strength Time (min) 1,440 Test Method
    Work / Pot Time (min) Long, 300 to 360 Test Method
    Mix Ratio 2:1 (by volume), 2.0:0.89 (by weight)
    Bond Strength
    Peel Strength (piw) High, 5 (lbf/in), 31 (lbf/in), 26 (lbf/in), 30 (lbf/in) Test Method
    Shear Strength (psi) High, 5000 (lbf/in2), > 5300 (lbf/in2), > 5300 (lbf/in2), > 5300 (lbf/in2) Test Method
    Other Properties
    Outgassing < 1000 (µg/g), <= 5 (µg/g) Test Method
    Business Information
    Shelf Life Details Storage: Store 3M™ Scotch-Weld™ Epoxy Adhesive DP-4XL EG at 60-80°F (15-27°C) or refrigerate for maximum shelf life.;3M™ Scotch-Weld™ Epoxy Adhesive DP-4XL EG has a shelf life of 15 months in its original container.
    Shelf Life Temperature (°F) 60 to 80
    Shelf Life (mon) 15
  • Best Practices for 3M DP4XL EG

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  • Comparable Materials for 3M DP4XL EG

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Time Temperature
1,440 min 25°C
Viscosity Test Methods
Viscosity Temperature
15,000 to 25,000 cPs 23°C
Work / Pot Time Test Methods
Work / Pot Time Temperature
Long
300 to 360 min 23°C
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Substrate Test Method
High
5000 (lbf/in2) Overlap shear strength 40,320 min 23°C etched aluminum ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute.
> 5300 (lbf/in2) Overlap Shear Strength 240 min 71°C etched aluminum ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute.
> 5300 (lbf/in2) Overlap Shear Strength 120 min 93°C etched aluminum ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute.
> 5300 (lbf/in2) Overlap Shear Strength 30 min 121°C etched aluminum ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute.
Peel Strength Test Methods
Peel Strength Type Cure Time Cure Temperature Substrate Test Method
High
5 (lbf/in) T-Peel Strength 40,320 min 23°C etched aluminum ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute.
31 (lbf/in) T-Peel Strength 240 min 71°C etched aluminum ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute., Adhesive failure mode is observed under these conditions, heating for shorter times will give cohesive failure and higher values.
26 (lbf/in) T-Peel Strength 120 min 93°C etched aluminum ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute., Adhesive failure mode is observed under these conditions, heating for shorter times will give cohesive failure and higher values.
30 (lbf/in) T-Peel Strength 30 min 121°C etched aluminum ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute., Adhesive failure mode is observed under these conditions, heating for shorter times will give cohesive failure and higher values.
Outgassing Test Methods
Outgassing Temperature (°C) Test Method
< 1000 (µg/g) 85°C via GC/MS, 85°C for 3 hours
<= 5 (µg/g) 85°C Siloxane, via GC/MS, 85°C for 3 hours.