Brand: 3M™ Scotch-Weld™
Package Sizes: 50 ml, 490 ml cartridges
Shelf Life: 12 months
3M™ Scotch-Weld™ Acrylic Adhesive DP820 is a two-part, fast-curing acrylic adhesive designed for structural bonding applications. It offers high strength, excellent impact resistance, and flexibility, making it ideal for bonding metals, plastics, and composites. This adhesive provides good gap-filling properties and is suitable for industrial, transportation, and general manufacturing applications.
| Property | Value |
|---|---|
| Color | Off-White |
| Mix Ratio (B:A) by Volume | 1:1 |
| Base Resin | Acrylic |
| Viscosity (Mixed, at 23°C) | 45,000 – 75,000 cP |
| Time | Strength (Aluminum, ASTM D1002, 23°C) |
|---|---|
| 10 min | 50 psi |
| 20 min | Handling Strength |
| 1 hour | ~1,000 psi |
| 24 hours | 3,500 psi |
| Property | Value |
|---|---|
| Work Life (23°C) | 8 – 12 min |
| Fixture Time | ~20 min |
| Time to Full Cure (23°C) | 24 hours |
| Elongation at Break | 80-120% |
| Tensile Strength | 3,000 psi (20.7 MPa) |
| Substrate | Overlap Shear Strength (psi) (ASTM D1002, 23°C) |
|---|---|
| Aluminum | 3,500 psi |
| Cold Rolled Steel | 3,000 psi |
| Fiberglass (FRP) | 2,500 psi |
| ABS Plastic | 1,000 psi |
| Polycarbonate | 1,200 psi |
| Test | Temperature | Strength |
|---|---|---|
| Peel Strength (Aluminum, ASTM D1876) | 23°C | High |
| Lap Shear Strength after Water Immersion | 23°C | 80% of original strength |
| Property | Value |
|---|---|
| Service Temperature Range | -55°C to 149°C (-67°F to 300°F) |
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