3M Scotch-Weld Structural Adhesive EC-3587 B/A Gray is a two-part polyurethane that cures at room temperature or with heat to a tough, impact-resistant material with excellent adhesion to many metal and plastic substrates. It is available in Class B-1/4 and Class B-1.
Features
- Sandable structural adhesive
- Excellent void/gap filler and fairing compound
- Contrasting base and accelerator colors; non-sag when mixed
- Easily extruded from plastic cartridges
Applications
- Structural bonding of metals and plastics
- Void filling and fairing
Specifications
- Mix ratio (B:A): 100:100 by weight, 175:100 by volume
- Work life (100 g, 22 °C): Class B-1/4 5–20 min; Class B-1 60 min
- Flow (MIL-S-8802): 0.25 cm; Shore D (cured): 62
- Overlap shear on 2024-T3 aluminum at 24 °C: 16.9–17.3 MPa
| Packing | 1 Pint or 1 Qt |
| Color | Gray |