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.
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Environmental Durability: Performs well in challenging environments, including high and low temperatures.
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20-Minute Work Life: Allows for adjustments and positioning before curing begins.
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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.
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3M Scotch-Weld 420 Series Epoxy Products
3M 420 series epoxy is offered in both black and off-white. Cartridge sizes include 50 mL, 200 mL, and 400 mL. For larger needs, bulk options are available in gallon kits, 5-gallon pails, and 55-gallon drums.
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