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3M™ Scotch-Weld™ Epoxy Adhesive 420

Products
  • High peel and shear strength maintains lasting bond at high and low temperatures
  • Toughened for impact and fatigue resistance
  • 21 minute work life provides time for positioning and adjustment
  • Non-sag formulation ensures adhesive stays where applied
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Specifications
Adhesive Type
Epoxy
Applications
Metal Bonding
Brand
Scotch-Weld™
Consumer Label
No
Design Challenges
Impact & Shock Absorption, Noise Vibration & Harshness Control NVH
Flame Retardant
UL94 HB
Full Cure
24 Hours @ 72 F (22 C)
Hardness
75-80 Shore D
Indoor/Outdoor
Both
Industries
Composite, Construction, Consumer Goods, Electronics, General Industry, Metalworking, Military and Government, Plastic, Rubber, Señalización, Specialty Vehicle, Transportation, Woodworking
Open Time
20 minutes @ 72 F (22 C)
Physical Form
Flowable Liquid
Position
Best
Product Form
Cartridge, Each
Product Type
Epoxy Adhesive
Shear Strength at 72 Degrees F (22 Degrees C)
4500 Pound-Force Per Square Inch
Shelf Life in Months (from date of manufacture)
15
Storage Temperature
60-80 F (16-27 C)
Substrates
Glass & Ceramics, HSE Plastics and Glass, Metal, Paint, Smooth, Wood
Units per Case
12, 6
Viscosity
Self-Leveling
Work Time
15-30 Minutes
Details
  • High peel and shear strength maintains lasting bond at high and low temperatures
  • Toughened for impact and fatigue resistance
  • 21 minute work life provides time for positioning and adjustment
  • Non-sag formulation ensures adhesive stays where applied
  • Adhesive cures at room temperature, making it a convenient and easy to use solution for tough end applications

3M™ Scotch-Weld™ Epoxy Adhesive DP420 is a toughened, two-part epoxy structural adhesive that provides good strength along with high impact and fatigue resistance to meet demanding bonding challenges. 3M™ Scotch-Weld Epoxy Adhesive DP420 can replace mechanical fasteners, screws, rivets and spot welds in many applications.

Apply 3M™ Scotch-Weld™ Epoxy Adhesive 420 in place of mechanical fasteners, screws, rivets and spot welds in most applications. Our two-part epoxy structural adhesive is toughened and very strong with high impact and vibration resistance. You also get a versatile 20 minute work-life with our non-sag, high peel and shear strength adhesive. Moderate work-life provides ample time for positioning and adjustment for fit. Our adhesive cures at room temperature, so it’s convenient and easy to use, even for your toughest applications. It’s ideal for your most demanding projects.

Suggested Applications

  • Use as a replacement for mechanical fasteners, screws, rivets and spot welds
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