| Application Type | Bond |
|---|---|
| 1 Part or 2 Part | 2 Part |
| Material Form | Liquid |
| Substrate | Aluminum, Copper, Fiber, Brass, ABS, Polycarbonate, Fiber-Reinforced Polyester, PVC, Neoprene Rubber, Cold rolled Steel, Stainless Steel, Acrylic, Metal, Plastic, Rubber, Galvanized Steel, Styrene Butadiene Rubber, Steel |
| Manufacturer | 3M |
| Chemistry | Epoxy, Amine, Modified Epoxy |
| Cure Method | Base/Accelerator |
| Cure Temperature (°C) | 23 |
| Cure Time (min) | Fast, 2,880 |
| Viscosity (cPs) | 55,000 |
| Color | Gray |
| Chemical Resistance | Salt spray, Tap water |
| High Temperature Resistance (°C) | 82 |
| Low Temperature Resistance (°C) | -55 |
| Other Resistance | Aging resistance |
For high strength structural bonds, paint, oxide films, oils, dust, mold release agents and all other surface contaminants must be completely removed from substrate to be bonded. However, the amount of surface preparation necessary directly depends on the user’s required bond strength, environmental aging resistance and economic practicalities.
See Vendor Technical Data Sheet for more information
To use, simply insert the duo-pak cartridge into the EPX applicator and start the plunger into the cylinders using light pressure on the trigger. Next, remove the duo-pak cartridge cap and expel a small amount of adhesive to be sure both sides of the duo-pak cartridge are flowing evenly and freely.
Application to the substrates should be made within 8 minutes. Larger quantities and/or higher temperatures will reduce this working time.
Join the adhesive coated surfaces and allow to cure at 60°F (16°C) or above until completely firm. Heat up to 200°F (93°C), will speed curing. These products will fully cure in 48 hours @ 75°F (24°C).
Keep parts from moving during cure. Contact pressure necessary. Maximum shear strength is obtained with a 3-5 mil bond line.
If automatic mixing of Part A and Part B is desired, attach the EPX mixing nozzle to the duo-pak cartridge and begin dispensing the adhesive. For hand mixing, expel the desired amount of adhesive and mix thoroughly. Mix approximately 15 seconds after a uniform color is obtained.
Mix thoroughly by weight or volume in the proportions specified on the product label or in the uncured properties section. Mix approximately 15 seconds after a uniform color is obtained.
Excess uncured adhesive can be cleaned up with ketone type solvents.*
*Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.
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| Cure Temperature | Cure Time Test Method |
|---|---|
| 23°C | 48 hour cure @ 75°F (24°C) under 2 psi pressure |
| Cure Time | Test Method |
|---|---|
| Fast | |
| 2,880 min | 48 hour cure @ 75°F (24°C) under 2 psi pressure |
| Viscosity | Temperature |
|---|---|
| 55,000 cPs | 72°C |
| Work / Pot Time | Temperature |
|---|---|
| 8 to 13 min | 24°C |
| 8 min |
| Shear Strength | Type | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|
| 2,700 psi | Overlap shear strength | Aluminum | -55°C | Overlap shear shear strength was measured on FPL etched 1 in. wide by 1/2 in. overlap specimens. The bonds were made from 2 panels of 4 in. x 7 in. x .063 in., 2024 T3 clad aluminum bonded together and cut into 1 in. wide specimens. The separation rate of the testing jaws was .1 in./minute. Tests similar to ASTM D-1002. |
| 3,500 psi | Overlap shear strength | Aluminum | 24°C | Overlap shear shear strength was measured on FPL etched 1 in. wide by 1/2 in. overlap specimens. The bonds were made from 2 panels of 4 in. x 7 in. x .063 in., 2024 T3 clad aluminum bonded together and cut into 1 in. wide specimens. The separation rate of the testing jaws was .1 in./minute. Tests similar to ASTM D-1002. |
| 270 psi | Overlap shear strength | Aluminum | 71°C | Overlap shear shear strength was measured on FPL etched 1 in. wide by 1/2 in. overlap specimens. The bonds were made from 2 panels of 4 in. x 7 in. x .063 in., 2024 T3 clad aluminum bonded together and cut into 1 in. wide specimens. The separation rate of the testing jaws was .1 in./minute. Tests similar to ASTM D-1002. |
| 250 psi | Overlap shear strength | Aluminum | 82°C | Overlap shear shear strength was measured on FPL etched 1 in. wide by 1/2 in. overlap specimens. The bonds were made from 2 panels of 4 in. x 7 in. x .063 in., 2024 T3 clad aluminum bonded together and cut into 1 in. wide specimens. The separation rate of the testing jaws was .1 in./minute. Tests similar to ASTM D-1002. |
| 2,300 psi | Overlap shear strength | Aluminum/Aluminum | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 2,500 psi | Overlap shear strength | Cold Rolled Steel/Cold Rolled Steel | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 2,450 psi | Overlap shear strength | Stainless Steel/Stainless Steel | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 2,600 psi | Overlap shear strength | Galvanized Steel/Galvanized Steel | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 1,750 psi | Overlap shear strength | Copper/Copper | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 2,450 psi | Overlap shear strength | Brass/Brass | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 80 to 100 psi | Overlap shear strength | Styrene Butadiene Rubber/Steel | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 40 to 60 psi | Overlap shear strength | Neoprene Rubber/Steel | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 680 psi | Overlap shear strength | ABS/ABS Plastic | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 390 psi | Overlap shear strength | PVC/PVC, Rigid | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 660 psi | Overlap shear strength | Polycarbonate/Polycarbonate | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 480 psi | Overlap shear strength | Acrylic/Acrylic | 24°C | Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| 1,400 psi | Overlap shear strength | Fiber Reinforced Polyester/Fiber Reinforced Polyester | 24°C | The substrate broke during the test instead of the bond., Overlap shear strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the substrates were: cold rolled, galvanized and stainless steel – 0.056-0.062 in., copper – 0.032 in., brass – 0.036 in., rubbers – 0.125 in., plastics – 0.125 in. All surfaces were prepared by solvent wiping/abrading/solvent wiping. The jaw separation rate used for testing was 0.1 in. per minute for metals, 2 in. per minute for plastics, and 20 in. per minute for rubbers. |
| Peel Strength | Type | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|
| 20 piw | T-Peel | Aluminum | 24°C | T-Peel bonds were measured on 1 in. wide specimens cut from two FPL etched 8 in.x 8 in. x .032 in., 2024 T3 clad aluminum panels bonded together. The separation note of the testing jaws was 20 in./minute. Tests similar to ASTM D-1876. |
| Thermal Conductivity | Temperature |
|---|---|
| 0.18 W/m°K | 45°C |
| Coefficient of Thermal Expansion (CTE) | CTE Temperature (°C) |
|---|---|
| 73e-6 | -50 to 0°C |
| 165e-6 | -50 to 110°C |
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