3M Scotch-Weld DP420 Off-White Epoxy Adhesive Overview

3M DP420 Epoxy is a two-part structural adhesive known for its high-performance bonding capabilities, offering exceptional shear and peel strength. Its durable formulation is designed for use on metals, ceramics, wood, glass, composites, and many plastics, making it a versatile choice for demanding applications. The off-white color of the adhesive ensures a clean, subtle appearance in visible applications, blending seamlessly with a variety of surfaces. This versatile adhesive has a 20-minute work life and performs well across a broad range of industries, including metalworking, electronics, and construction.

3M DP420 is a standard 2:1 epoxy ideal for bonding and structural reinforcement in industries such as metalworking, electronics, construction, transportation, and specialty vehicles. Commonly used for heavy-duty mounting, small joint assembly, and bonding carbon fiber composites.

All 3M DP420 Epoxy Adhesives

• 3M Scotch-Weld DP420 Off-White Epoxy
• 3M Scotch-Weld DP420 Black Epoxy
• 3M Scotch-Weld DP420NS Non-Sag Black Epoxy

3M DP420 Epoxy Features and Benefits

• Strong Bonding: Provides high shear and peel strength for long-lasting, secure bonds.
• Environmental Durability: Performs well in challenging environments, including high and low temperatures.
  
• 20-Minute Work Life: Allows for adjustments and positioning before curing begins.
  
• Low Odor: Designed for user comfort during application.
  
• Certified Safety: DP420 epoxy meets the UL 94 HB flammability standards for added safety assurance.

Specifications

• Series: 3M Scotch-Weld DP420
  
• Type: Epoxy Adhesive
  
• Application: Structural Bonding, Potting
  
• Substrates: Metals, Ceramics, Wood, Glass, Many Composites and Plastics
  
• Color: Off-White
  
• Available Sizes: 50 mL, 200 mL, and 400 mL Cartridges
  
• Mix Ratio by Volume (B:A): 2:1
  
• Shore D Hardness (ASTM D2240): 75 to 80
  
• Open Time: 20 Minutes
  
• Set Time: 2 Hours
  
• Work Life: 20 Minutes
  
• Shear Strength: 4,500 psi
  
• Full Cure Strength: Reaches Full Cure in 24 Hour
  
• Storage Temperature: 60°F to 80°F (16°C to 27°C)
  
• Certifications: UL 94 HB Certified
  

Note: All results are based on testing at 72°F (22°C).

Applications

3m Scotch-Weld Epoxy Adhesive DP420 is ideal for bonding and structural reinforcement in industries such as metalworking, electronics, construction, transportation, and specialty vehicles. Commonly used for heavy-duty mounting, small joint assembly, and bonding carbon fiber composites.