| Application Type | Bond |
|---|---|
| 1 Part or 2 Part | 1 Part |
| Material Form | Liquid |
| Substrate | Porous surfaces, Metals, Plastics, Polypropylene, Rubbers, Steel (grit blasted), Stainless Steel (Grit blasted), Silicone Elastomer, PVC, Polycarbonate, Nylon, Aluminum (grit blasted), Low surface energy plastics, Galvanized, ABS, Anodized |
| Manufacturer | 3M |
| Chemistry | Cyanoacrylate, Ethyl |
| Cure Method | Moisture |
| Cure Time (min) | 1,440 |
| Viscosity (cPs) | Low, 71 to 95, 70 to 110 |
| Color | Clear |
| High Temperature Resistance (°C) | 82 |
| Low Temperature Resistance (°C) | -51 |
| Key Specifications | CID (United States Government Commercial Item Description): A-A-3097: Type I, Class 2 |
For optimum strength structural bonds, paint, oxide films, oils, dust, mold release agents, and all other surface contaminants must be completely removed. However, the amount of surface preparation depends on the required bond strength and the environmental aging resistance desired by the user. Typical quick surface preparation would include wiping with a clean solvent (such as isopropyl alcohol*), abrading the surface with a clean fine abrasive, and then wiping again with a clean solvent to remove loose particles.
Ensure that parts are clean, dry, and free from oil and grease.
Bond speed is typically very fast so ensure that parts are properly aligned before dispensing.
Product is normally hand applied from the bottle. Apply sparingly to one surface and press parts firmly together until handling strength is achieved. As a general rule, as little cyanoacrylate as possible should be used. Over application will result in slower cure speed and lower bond strength.
Full bond strength will typically be achieved within a 24 hour cure time.
Low humidity or low temperature conditions will slow down the cure rate.
After curing, 3M™ Scotch-Weld™ Metal Instant Adhesive bonds are suitable for use up to about 180°F (82°C). At 180°F (82°C) the bonds will be approximately 70% of the strength at room temperature and at 212°F (100°C) about 50% of full strength.
Cyanoacrylate bond resistance to most oils and solvents is excellent. Long term humidity, moisture, or water immersion may affect the strength of a cured cyanoacrylate bond depending on the substrates and the bond gap. Testing is recommended to evaluate the effect.
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| Fixture or Handling Strength Time | Fixture-Handling Strength Test Method |
|---|---|
| 0.07 to 0.50 min | ON EPDM |
| <0.50 min | On EPDM. Time to handling is substrate dependent. |
| Viscosity | Test Method |
|---|---|
| Low | |
| 71 to 95 cPs | Method Cone-Plate viscosity, CP75 @ 3000/s shear rate |
| 70 to 110 cPs | Method Cone-Plate viscosity, CP75 @ 3000/s shear rate |
| Shear Strength | Type | Substrate | Test Method |
|---|---|---|---|
| 3,100 psi | Overlap Shear Strength | ASTM D1002 (grit-blasted steel). | |
| 2,169 psi | Overlap Shear Strength | Steel (Grit blasted) | ASTM D-1002 |
| 3,039 psi | Overlap Shear Strength | Stainless Steel (Grit blasted) | ASTM D-1002 |
| 2,298 psi | Overlap Shear Strength | Aluminum (Grit blasted) | ASTM D-1002 |
| 914 psi | Overlap Shear Strength | ABS | ASTM D-1002 (Substrate failure) |
| 791 psi | Overlap Shear Strength | Polycarbonate | ASTM D-1002 (Substrate failure) |
| 1,253 psi | Overlap Shear Strength | PVC | ASTM D-1002 (Substrate failure) |
| 746 psi | Overlap Shear Strength | Nylon | ASTM D-1002 |
| 760 psi | Overlap Shear Strength | Polypropylene (Primed with AC77) | ASTM D-1002 (Substrate failure) |
| 106 psi | Overlap Shear Strength | Silicone Elastomer (Primed with AC79) | ASTM D-1002 (Substrate failure) |
| 2,100 psi | Overlap Shear Strength | Steel | ASTM D-1002;Grit blasted |
| 3,000 psi | Overlap Shear Strength | Stainless Steel | ASTM D-1002;Grit blasted |
| 2,300 psi | Overlap Shear Strength | Aluminum | ASTM D-1002;Grit blasted |
| 900 psi | Overlap Shear Strength | ABS | ASTM D-1002;Substrate failure |
| 800 psi | Overlap Shear Strength | Polycarbonate | ASTM D-1002;Substrate failure |
| 1,250 psi | Overlap Shear Strength | PVC | ASTM D-1002;Substrate failure |
| 750 psi | Overlap Shear Strength | Nylon | ASTM D-1002 |
| 750 psi | Overlap Shear Strength | Polypropylene | ASTM D-1002;Primed with AC77;Substrate failure |
| 100 psi | Overlap Shear Strength | Silicone Elastomer | ASTM D-1002;Primed with AC79;Substrate failure |
| Tensile Strength | Test Method |
|---|---|
| 4,800 psi | ASTM D2095 (grit-blasted steel). |
| General Bond Strength | Substrate |
|---|---|
| High | Metals |
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