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3M™ Scotch-Weld™ Epoxy Adhesive DP420

  • Product code: DP420
  • Manufacturer: 3M
  • Package size: 50ml/ 200ml
  • Shelf Life: 15 months

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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.

FEATURES

  • High peel and shear strength maintains lasting bond at high and low temperatures
  • Toughened for impact and fatigue resistance
  • 20 minute work life provides time for positioning and adjustment
  • Adhesive cures at room temperature, making it a convenient and easy to use solution for challenging applications
  • Reaches high strength quickly with heat cure

APPLICATIONS

  • Small joint assembly
  • Heavy-duty mounting assembly
  • Metalworking
  • Carbon fiber epoxy bonding
Property Values Unit
Viscosity 20,000-50,000  cP
Shore D Hardness 75-80 –
Coefficient of Thermal Expansion 80 x 10-6 in./in./°C
Dielectric Strength 888  volts/mil
690  volts/mil
Volume Resistivity 1.6 x 1015 ohm-cm
1.3 x 1015 ohm-cm
Shelf Life 15 months

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