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DFARS Specialty Metals
About Structural Adhesives
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Toughened Epoxy Structural Adhesives
Toughened adhesives are blended with rubber particles for better impact resistance than standard epoxies. They form flexible, resilient bonds. The most weather- and chemical-resistant structural adhesives, epoxies work especially well on metals. Choose an adhesive that hardens quickly for fast repairs, or one that hardens slowly to allow more time for positioning.
These have two parts that must be mixed. The size listed is the combined total of the two parts. Use with a dispensing gun and mixer nozzle to simultaneously mix and dispense adhesives.
3M Scotch-Weld Adhesives
Container | Strength | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden | Reaches Full Strength | Shear, lbs./sq. in. | Peel, lbs./in. wd. | Mix Ratio | Consistency (Viscosity) | Temp. Range, °F | Color | For Joining | Each | |
| DP420 | 1.69 | Cartridge | 20 min. | 24 hrs. | 280 | 50 | 2:1 | Thick Liquid (30,000 cP) | -65° to 350° | Off-White | Metal, Plastic, Composites | 0000000 | 000000 |
| DP420 | 1.69 | Cartridge | 20 min. | 24 hrs. | 400 | 50 | 2:1 | Thick Liquid (30,000 cP) | -65° to 350° | Black | Metal, Plastic, Composites | 0000000 | 00000 |
| DP420 | 6.76 | Cartridge | 20 min. | 24 hrs. | 280 | 50 | 2:1 | Thick Liquid (30,000 cP) | -65° to 350° | Off-White | Metal, Plastic, Composites | 0000000 | 000000 |
| DP420 | 6.76 | Cartridge | 20 min. | 24 hrs. | 400 | 50 | 2:1 | Thick Liquid (30,000 cP) | -65° to 350° | Black | Metal, Plastic, Composites | 00000000 | 000000 |
| DP420 | 13.5 | Cartridge | 20 min. | 24 hrs. | 280 | 50 | 2:1 | Thick Liquid (30,000 cP) | -65° to 350° | Off-White | Metal, Plastic, Composites | 00000000 | 000000 |
| DP420 | 13.5 | Cartridge | 20 min. | 24 hrs. | 400 | 50 | 2:1 | Thick Liquid (30,000 cP) | -65° to 350° | Black | Metal, Plastic, Composites | 00000000 | 000000 |
Mixer Nozzles, Plungers, and Dispensing Guns
| Each | ||
| Mixer Nozzle for 1.69 fl. oz. 3M Cartridges (Step Tip) | 0000000 | 00000 |
| Mixer Nozzle for 1.69 fl. oz. 3M Cartridges (Taper Tip) | 0000000 | 0000 |
| Mixer Nozzle for 6.76 fl. oz. and 13.5 fl. oz. 3M Cartridges | 0000000 | 0000 |
| Replacement Plunger for 1.69 fl. oz. 3M Cartridges | 0000000 | 00000 |
| Dispensing Gun for 1.69 fl. oz. 3M Cartridges | 0000000 | 000000 |
| Dispensing Gun for 6.76 fl. oz. 3M Cartridges | 0000000 | 000000 |
| Air-Powered Dispensing Gun for 1.69 fl. oz. 3M Cartridges | 0000000 | 000000 |