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.
| Adhesive Type | Epoxy | |
| Application | Attaching, Bonding, Encapsulating, Mounting, Potting, Small Joint Assembly, Trim attachment | |
| Brands | Scotch-Weld™ | |
| Container Size (Metric) | 50 mL | |
| Container Type | Cartridge | |
| Design Challenges | Impact & Shock Absorption, Noise Vibration & Harshness Control NVH | |
| Features | Low Odor | |
| Full Cure Time | 24 Hours @ 73 F (23 C) | |
| Mix Ratio Volume Base:Accelerator | 2:1 | |
| Open Time | 20 min | |
| Performance Level | Best | |
| Physical Form | Liquid | |
| Product Form | DuoPak | |
| Shear Strength | 4420 Pound_Per_Square_Inch | |
| Storage Temperature (Celsius) | 16°C - 27°C | |
| Surface Type | Smooth | |
| Time to Handling Strength | 2 hr |