| Application Type | Bond |
|---|---|
| 1 Part or 2 Part | 2 Part |
| Material Form | Liquid |
| Substrate | Acrylic, Abraded Aluminum, Ceramic, Steel, Glass, Metal, ABS, Polycarbonate, PVC, Rubber, Stainless Steel, Wood, Green FRP, Bare Aluminum, CRS, Plastic, Etched Aluminum, Oily CRS |
| Manufacturer | 3M |
| Chemistry | Acrylic |
| Cure Method | Base/Accelerator |
| Cure Temperature (°C) | 23 |
| Cure Time (min) | 480 to 1,440 |
| Viscosity (cPs) | 90,000 to 95,000 |
| Chemical Resistance | 160F (71C)/100% RH, 160F (71C)/Soak, 20% Bleach, 50% Antifreeze, Acetone, Control, Diesel Fuel, Gasoline, IPA (isopropyl alcohol), MEK |
| High Temperature Resistance (°C) | 82 |
| Low Temperature Resistance (°C) | -29 |
3M™ Scotch-Weld™ Low-Odor Acrylic Adhesives can bond oily metal, plastic and other substrates with very little surface preparation. However, for the most consistent results and environmental resistance, all substrates should be clean, dry and free of paint, oxide films, dust, mold release agents and all other surface contaminants. The amount of surface preparation directly depends on the bond strength and environmental resistance desired by the user.
The following cleaning methods are suggested for common surfaces.: Wipe free of dust with oil-free solvent such as acetone or isopropyl alcohol.
Sandblast or abrade using clean fine grit abrasives (180 grit or finer).
Wipe again with solvent to remove loose particles.
If a primer is used, it should be applied within 4 hours after surface preparation (or see instructions pertinent to a specific primer).
Note: Aluminum may also be acid etched. Follow the manufacturer’s precautions and directions for this procedure.
Wipe with isopropyl alcohol.
Abrade using fine grit abrasives (180 grit or finer).
Remove residue by wiping again with isopropyl alcohol.
Solvent wipe surface using acetone.
Apply a thin coating (0.0001" or less) of 3M™ Scotch-Weld™ EC-3901 Primer to the glass surfaces to be bonded and allow the primer to dry a minimum of 30 minutes at 75°F (24°C) before bonding for maximum adhesion.
Remove residue by wiping again with isopropyl alcohol.
Note: When using solvents, extinguish all ignition sources and follow the manufacturer’s precautions and directions for use.
Directions for use: Apply adhesive to clean, dry substrates, which are free of paint, oxide films, oils, dust, mold release agents and all other surface contaminants. See the Surface Preparation section for specific substrate preparation method.
Excess adhesive can be removed with solvent such as 3M™ Scotch-Grip™ Solvent No. 3 or equivalent. Edge tack on a finished part or bond line can be removed with isopropyl alcohol*.
*Note: When using solvents, extinguish all ignition sources and follow the manufacturer’s precautions and directions for use.
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| Fixture or Handling Strength Time | Fixture-Handling Strength Test Method |
|---|---|
| 10 to 15 min | Time to Handling Strength (50 psi) |
| Work / Pot Time | Temperature |
|---|---|
| 10 min | 23°C |
| Shear Strength | Type | Cure Time | Cure Temperature | Substrate | Test Time | Test Temperature | Test Method |
|---|---|---|---|---|---|---|---|
| Excellent | |||||||
| 4,200 psi | Overlap Shear Strength | >360 min | 24°C | Etched Aluminum | 23°C | Cohesive Failure, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 3,850 psi | Overlap Shear Strength | >360 min | 24°C | Abraded Aluminum | 23°C | Cohesive Failure, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 4,100 psi | Overlap Shear Strength | >360 min | 24°C | Bare Aluminum | 23°C | Cohesive Failure, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 3,500 psi | Overlap Shear Strength | >360 min | 24°C | CRS | 23°C | Cohesive Failure, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 3,500 psi | Overlap Shear Strength | >360 min | 24°C | Oily CRS | 23°C | Cohesive Failure, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 3,400 psi | Overlap Shear Strength | >360 min | 24°C | Stainless Steel | 23°C | Cohesive Failure, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 1,900 psi | Overlap Shear Strength | >360 min | 24°C | Green FRP | 23°C | Cohesive Failure, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 800 psi | Overlap Shear Strength | >360 min | 24°C | Acrylic | 23°C | Substrate Failure/Break, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 1,000 psi | Overlap Shear Strength | >360 min | 24°C | PVC | 23°C | Substrate Failure/Break, Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 500 psi | Overlap Shear Strength | >360 min | 24°C | Polycarbonate | 23°C | Mixed (Mode of AF and CF), Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 650 psi | Overlap Shear Strength | >360 min | 24°C | ABS | 23°C | Mixed (Mode of AF and CF), Overlap Shear Test Method: overlap shear test for adhesion determined in accordance to ASTM D1002-72, sample dimensions were 1" x 4" x 1/8", with a 1/2 square inch area of overlap, bonded to themselves unless otherwise noted, allowed to cure for at least 6 hours at 75°F (24°C) before testing. Data were collected using a Sintech 5GL Mechanical Tester with a 2000# or 5000# load cell. Test rate was 0.1"/minute. Strength determined at 75°F (24°C) unless otherwise noted. | |
| 1,600 psi | Overlap Shear Strength | -29°C | Adhesive Failure | ||||
| 4,000 psi | Overlap Shear Strength | 24°C | Cohesive Failure | ||||
| 2,350 psi | Overlap Shear Strength | 49°C | Cohesive Failure | ||||
| 500 psi | Overlap Shear Strength | 89°C | Cohesive Failure | ||||
| 500 psi | Overlap Shear Strength | 600 sec | 23°C | ||||
| 1,750 psi | Overlap Shear Strength | 1,200 sec | 23°C | ||||
| 2,850 psi | Overlap Shear Strength | 3,600 sec | 23°C | ||||
| 3,350 psi | Overlap Shear Strength | 7,200 sec | 23°C | ||||
| 3,700 psi | Overlap Shear Strength | 14,400 sec | 23°C | ||||
| 3,850 psi | Overlap Shear Strength | 28,800 sec | 23°C | ||||
| 4,000 psi | Overlap Shear Strength | 86,400 sec | 23°C |
| Peel Strength | Type | Cure Time | Cure Temperature | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|---|---|
| Excellent | ||||||
| 23 piw | T-Peel strength | 360 min | 24°C | Etched Al | 23°C | Peel tests (ASTM D1876-61T) on FPL etched, 0.032" gauge aluminum, with a .017" bondline thickness. Jaw separation rate 20"/min. All bonds were allowed to cure for at least 6 hours at 75°F (24°C) before testing. |
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