| Application Type | Bond |
|---|---|
| 1 Part or 2 Part | 2 Part |
| Material Form | Liquid |
| Substrate | Aluminum, Glass, Metal, Plastic, Rubber, Cold rolled Steel, Wood, 2024 T-3 clad aluminum , 2024 T-3 clad FPL etched aluminum , Steel |
| Manufacturer | 3M |
| Chemistry | Epoxy, Amine |
| Cure Method | Base/Accelerator |
| Cure Temperature (°C) | 25, 24, 64 to 68 |
| Cure Time (min) | Fast, 1,440, 15, 10 |
| Viscosity (cPs) | Controlled flow, 500,000 |
| Color | Gray |
| Chemical Resistance | Salt spray, Tap Water |
| High Temperature Resistance (°C) | 82 |
| Low Temperature Resistance (°C) | -55 |
For high strength structural bonds, paint, oxide films, oils, dust, mold release agents and all other surface contaminants must be removed. The amount of surface preparation depends on the user’s required bond strength and environmental aging resistance., see the vendor technical data sheet for more information.
Application to the substrates should be made within 6 minutes. Larger quantities and/or higher temperatures will reduce this working time.
For maximum bond strength, apply product evenly to both surfaces to be joined.
Join the adhesive coated surfaces and allow to cure at 60°F (16°C) or above until completely firm. Handling strength will be obtained in 20-30 minutes at 75°F (24°C) and a full cure in 24 hours.
Keep parts from moving during cure. Contact pressure is necessary. Maximum shear strength is obtained with a 3-5 mil bond line.
This product consists of two parts. Measure by weight or volume in proportions specified under Typical Uncured Physical Properties section and mix thoroughly. Resulting color should be uniform. Properly reseal containers. Do not inter-change lids or caps of parts A & B or curing may occur.
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| Fixture or Handling Strength Time | Fixture-Handling Strength Time Temperature |
|---|---|
| 20 to 30 min | 24°C |
| Viscosity | Test Method |
|---|---|
| 500,000 cPs | Brookfield RVF, #7 spindle, 2 RPM at 75°F 24°C |
| Controlled flow |
| Work / Pot Time | Test Method | Temperature |
|---|---|---|
| 6 to 10 min | 20.5 g. mass | 24°C |
| 6 min |
| Shear Strength | Type | Cure Time | Cure Temperature | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|---|---|
| High | ||||||
| 1,500 psi | Overlap shear strength | 2024 T-3 clad aluminum | -55°C | Overlap shear strength was measured on FPL etched 1" wide by 1/2" overlap specimens. The bonds were made from 2 panels of 4" x 7" x 0.063", 2024 T-3 clad aluminum bonded together and cut into 1" wide specimens. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002. | ||
| 2,400 psi | Overlap shear strength | 2024 T-3 clad aluminum | 24°C | Overlap shear strength was measured on FPL etched 1" wide by 1/2" overlap specimens. The bonds were made from 2 panels of 4" x 7" x 0.063", 2024 T-3 clad aluminum bonded together and cut into 1" wide specimens. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002. | ||
| 300 psi | Overlap shear strength | 2024 T-3 clad aluminum | 82°C | Overlap shear strength was measured on FPL etched 1" wide by 1/2" overlap specimens. The bonds were made from 2 panels of 4" x 7" x 0.063", 2024 T-3 clad aluminum bonded together and cut into 1" wide specimens. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002. | ||
| 1,000 psi | Overlap shear strength | Cold rolled steel | -55°C | Overlap shear strength was measured on 1" wide by 1/2" overlap bonds of 0.035" cold rolled steel. The steel was prepared by MEK solvent wiping, abrading and MEK wiping. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002. | ||
| 2,000 psi | Overlap shear strength | Cold rolled steel | 24°C | Overlap shear strength was measured on 1" wide by 1/2" overlap bonds of 0.035" cold rolled steel. The steel was prepared by MEK solvent wiping, abrading and MEK wiping. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002. | ||
| 150 psi | Overlap shear strength | Cold rolled steel | 82°C | Overlap shear strength was measured on 1" wide by 1/2" overlap bonds of 0.035" cold rolled steel. The steel was prepared by MEK solvent wiping, abrading and MEK wiping. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002. | ||
| 400 psi | Overlap shear strength | 20 min | 24°C | 2024 T-3 clad FPL etched aluminum | The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002. | |
| 500 psi | Overlap shear strength | 30 min | 24°C | 2024 T-3 clad FPL etched aluminum | The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002. | |
| 750 psi | Overlap shear strength | 60 min | 24°C | 2024 T-3 clad FPL etched aluminum | The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002. | |
| 900 psi | Overlap shear strength | 90 min | 24°C | 2024 T-3 clad FPL etched aluminum | The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002. |
| Peel Strength | Type | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|
| 4 piw | T-peel Strength | Aluminum | 24°C | T-Peel bonds were measured on 1" wide specimens cut from two FPL etched 8" x 8" x 0.032", 2024 T-3 clad aluminum panels bonded together. The separation rate of the testing jaws was 20"/minute. Tests similar to ASTM D-1876. |
| 10 piw | T-peel Strength | Steel | 24°C | T-Peel bonds were measured on two 1" wide specimens of 0.035" cold rolled steel bonded together. The steel was prepared by MEK wiping, abrading and MEK wiping. The separation rate of the testing jaws was 20"/minutes. Tests similar to ASTM D-1876. |
| Coefficient of Thermal Expansion (CTE) | CTE Temperature (°C) |
|---|---|
| 60e-6 (in./ in/°C) | -50 to -10°C |
| 234e-6 (in./ in/°C) | -50 to -110°C |
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