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3M Scotch-Weld™ DP420 Black Epoxy Adhesive
| Category | Polymer , Thermoset , Epoxy , Epoxy Adhesive |
| Manufacturer | 3M |
| Trade Name | Scotch-Weld™ |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | 3M Scotch-Weld™ DP420 Black Epoxy Adhesive.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
3M™ Scotch-Weld™ Epoxy Adhesive are high performance, two-part epoxy adhesives offering outstanding shear and peel adhesion, and very high levels of durability.Information provided by 3M
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Viscosity | 60000 - 130000 cP | 60000 - 130000 cP | Accelerator |
| 190000 - 270000 cP | 190000 - 270000 cP | Base |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 75 - 80 | 75 - 80 | |
| Shear Strength | 0.483 MPa | 70.0 psi | Overlap, Isopropyl Alcohol Wipe surface prep, Neoprene/Steel |
| 1.24 MPa | 180 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Neoprene/Steel | |
| 1.31 MPa | 190 psi | Overlap, Isopropyl Alcohol Wipe surface prep, Polystyrene | |
| 2.48 MPa | 360 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Polycarbonate | |
| 2.62 MPa | 380 psi | Overlap, Isopropyl Alcohol Wipe surface prep, FRP | |
| 2.76 MPa | 400 psi | Overlap, Isopropyl Alcohol Wipe surface prep, Polycarbonate | |
| 3.03 MPa | 440 psi | Overlap, Isopropyl Alcohol Wipe surface prep, Polyacrylic | |
| 3.10 MPa | 450 psi | Overlap, Isopropyl Alcohol Wipe surface prep, ABS PVC | |
| 3.10 MPa | 450 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Polyacrylic | |
| 3.10 MPa | 450 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Polystyrene | |
| 3.79 MPa | 550 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, ABS PVC | |
| 4.00 MPa | 580 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol Wipe surface prep, FRP | |
| 4.14 MPa | 600 psi | Overlap, Isopropyl Alcohol Wipe surface prep, Phenolic | |
| 7.58 MPa | 1100 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Phenolic | |
| 8.96 MPa | 1300 psi | Overlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, SBR/Steel | |
| 9.65 MPa | 1400 psi | Overlap, Isopropyl Alcohol Wipe surface prep, SBR/Steel | |
| 12.4 MPa | 1800 psi | Overlap, Stainless Steel MEK/abrade/MEK | |
| 15.2 MPa | 2200 psi | Overlap, CRS MEK/abrade/MEK | |
| 17.2 MPa | 2500 psi | Overlap, Aluminum MEK/abrade/MEK | |
| 19.3 MPa | 2800 psi | Overlap, Brass MEK/abrade/MEK | |
| 20.0 MPa | 2900 psi | Overlap, Galvanized Steel Hot dipped | |
| 20.7 MPa | 3000 psi | Overlap, Galvanized Steel Electrodeposited | |
| 20.7 MPa | 3000 psi | Overlap, Antifreeze/H2O (50/50) immersion, 82°C for 30 days | |
| 24.1 MPa | 3500 psi | Overlap, Methyl Ethyl Ketone immersion, RT for 30 days | |
| 27.6 MPa | 4000 psi | Overlap, Aluminum Oakite degrease | |
| 27.6 MPa | 4000 psi | Overlap, Water Vapor, 49°C at 100% RH for 30 days | |
| 27.6 MPa | 4000 psi | Overlap, Water Vapor, 93°C at 100% RH for 14 days | |
| 27.6 MPa | 4000 psi | Overlap, Skydrol LD-4 immersion, 66°C for 30 days | |
| 29.0 MPa | 4200 psi | Overlap, Distilled Water immersion for 30 days | |
| 31.0 MPa | 4500 psi | Overlap, Aluminum Etched | |
| 31.0 MPa | 4500 psi | Overlap, Isopropyl Alcohol immersion, RT for 30 days | |
| 33.8 MPa | 4900 psi | Overlap, RT at 50% RH for 30 days | |
| 34.5 MPa | 5000 psi | Overlap, Copper MEK/abrade/MEK | |
| 31.0 MPa @Temperature -55.0 °C |
4500 psi @Temperature -67.0 °F |
Aluminum Overlap | |
| 31.0 MPa @Temperature 23.0 °C |
4500 psi @Temperature 73.4 °F |
Aluminum Overlap | |
| 3.93 MPa @Temperature 121 °C, Time 900 sec |
570 psi @Temperature 250 °F, Time 0.250 hour |
Aluminum Overlap | |
| 8.69 MPa @Temperature 82.0 °C, Time 900 sec |
1260 psi @Temperature 180 °F, Time 0.250 hour |
Aluminum Overlap | |
| 15.5 MPa @Time 1800 sec |
2250 psi @Time 0.500 hour |
Aluminum Overlap | |
| 18.5 MPa @Time 14400 sec |
2690 psi @Time 4.00 hour |
Aluminum Overlap | |
| 20.5 MPa @Time 3600 sec |
2980 psi @Time 1.00 hour |
Aluminum Overlap | |
| Peel Strength | 4.38 kN/m | 25.0 pli | CRS, T-Peel, 17-20 mil bondline, MEK/abrade/MEK |
| 7.01 kN/m | 40.0 pli | CRS, T-Peel, 17-20 mil bondline, Oakite degreased | |
| 8.77 kN/m | 50.0 pli | Aluminum Etched, T-Peel, 5-8 mil bondline | |
| 10.5 kN/m | 60.0 pli | Aluminum Etched, T-Peel, 17-20 mil bondline | |
| 1.63 kN/m @Temperature -55.0 °C |
9.30 pli @Temperature -67.0 °F |
Aluminum, T-Peel | |
| 3.16 kN/m @Temperature 82.0 °C |
18.0 pli @Temperature 180 °F |
Aluminum, Bell Peel | |
| 3.51 kN/m @Temperature 82.0 °C |
20.0 pli @Temperature 180 °F |
Aluminum, T-Peel | |
| 3.51 kN/m @Temperature -55.0 °C |
20.0 pli @Temperature -67.0 °F |
Aluminum, Bell Peel | |
| 8.77 kN/m @Temperature 23.0 °C |
50.0 pli @Temperature 73.4 °F |
Aluminum, T-Peel | |
| 14.4 kN/m @Temperature 23.0 °C |
82.0 pli @Temperature 73.4 °F |
Aluminum, Bell Peel |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 80.0 µm/m-°C | 44.4 µin/in-°F | Below Tg |
| 194 µm/m-°C | 108 µin/in-°F | Above Tg | |
| Thermal Conductivity | 0.180 W/m-K @Temperature 45.0 °C |
1.25 BTU-in/hr-ft²-°F @Temperature 113 °F |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 1.60e+15 ohm-cm | 1.60e+15 ohm-cm | ASTM D257 |
| Dielectric Strength | 35.0 kV/mm | 888 kV/in | ASTM D149 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Appearance | Amber | Accelerator |
| Black | Base | |
| Black |
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