 
    3M Scotch-Weld Epoxy Adhesive DP420 Black is a two component, epoxy-based, structural adhesive that offers a controlled flow, durability, easy mixing, high shear and peel strength. It can be used to replace mechanical fasteners, screws, rivets and spot welds. 200 mL Duo-Pak Cartridge.
| Typical Use: | High performance adhesive for bonding a wide variety of substrates with outstanding levels of reliability and durability. | 
| Brand: | Scotch-Weld | 
| Chemical Composition: | Base: Epoxy; Accelerator: Amine | 
| Color: | Black | 
| Components: | 2 part | 
| Cure System: | Room Temperature | 
| Cure Time: | 24h @ 22 °C | 
| Dielectric Strength: | 888 V/mil | 
| Flash Point: | 171.1 °C | 
| Hardness: | 75 to 80 D | 
| Mix Ratio: | 2:1 by volume; 2:0.97 by weight | 
| Peel Strength: | 20 to 60 piw depending on temperature | 
| Shear Strength: | 4,500 | 
| Specific Gravity: | Part A: 1.12; Part B: 1.14 | 
| Thermal Conductivity: | 0.104 @ 45 °C | 
| Viscosity: | Base: 20,000 to 50,000; Accelerator: 8,000 to 14,000 | 
| Volume Resistivity: | 1.6 x 10^15 ohm-cm | 
| Working Time: | 15 to 30min | 
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