3M Scotch-Weld DP420NS High Performance Non-Sag Epoxy Overview
3M DP420NS is a toughened, two-part epoxy adhesive specifically formulated for high-performance bonding applications where durability and flexibility are essential. Featuring a 2:1 mix ratio and a 20-minute work life, this epoxy offers ample time for positioning and adjusting materials before it begins to set. With a non-sag formulation, it stays where applied, making it ideal for vertical and overhead applications without the need for clamps or supports.
Once applied, 3M DP420NS sets in approximately 120 minutes, reaching full handling strength, and is fully cured in 24 hours at room temperature. Designed to withstand extreme conditions, this adhesive offers high peel and shear strength and maintains its bond in both high and low temperatures, as well as environments subject to impact and fatigue stresses. The adhesive bonds well to a variety of substrates, including metals, ceramics, wood, glass, composites, and many plastics, making it suitable for a wide range of industrial applications.
All 3M DP420 Epoxy Adhesives
- 3M Scotch-Weld DP420NS Non-Sag Black Epoxy
- 3M Scotch-Weld DP420 Black Epoxy
- 3M Scotch-Weld DP420 Off-White Epoxy
3M DP420NS Features and Benefits
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High Shear Strength: 3M DP420NS non sag epoxy provides strong, durable bonds.
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High Peel Strength: Ensures lasting performance in challenging applications.
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Outstanding Environmental Performance: Performs well in extreme temperatures and environmental conditions.
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20-Minute Work Life: Offers ample time for positioning and adjustments before setting.
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Controlled Flow: Non-sag formulation ensures adhesive stays in place during application.
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Certified Safety: Meets UL 94 HB flammability standards for added safety in various applications.
- Easy Mixing: Simple 2:1 mix ratio for convenient dispensing.
Specifications
- Series: 3M Scotch-Weld DP420NS
- Type: Epoxy Adhesive
- Application: Structural Bonding
- Substrates: Metals, Ceramics, Wood, Glass, Many Composites and Plastics
- Color: Black
- Available Sizes: 50 mL, 200 mL, and 400 mL Cartridges
- Mix Ratio by Volume (B:A): 2:1
- Shore D Hardness (ASTM D2240): 85
- Open Time: 20 Minutes
- Set Time: 120 Minutes
- Work Life: 20 Minutes - Depending on Amount Applied
- Shear Strength: 4,500 psi
- 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), unless stated otherwise.
Applications
3M DP420NS Black is ideal for small joint assembly, heavy-duty mounting, metalworking, and carbon fiber epoxy bonding. It performs well in demanding applications that require strong, durable bonds on metals, ceramics, plastics, and composites.
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Price | $$$$ | $$$$ |
Type | Epoxy | Epoxy |
Brand | 3M | Infinity Bond |
Mix Ratio | 2:1 | 2:1 |
Viscosity | Paste | Paste |
Work Life | 20 minutes | 20 minutes |
Handling Strength | - | 2 hours |
Full Cure | 24 hours | 24 hours |
Temp Resistance | - | -60F to 302F |
Color | Black | Black |
Size | 50ml 200ml 400ml | 50ml 400ml |
Shelf Life | 15 months | 12 months |