Chemical Resistance Most oils, Chemical Resistance: Solvent resistance Application Type Bond, Adhesive: Instant Adhesives 1 Part or 2 Part 1-Part Material Form Liquid Substrate paper, Low surface energy plastics, polypropylene, porous substrate surfaces, polyethylene, Low surface energy plastics Manufacturer 3M Chemistry Cyanoacrylate, Methoxyethyl Cure Method Moisture Viscosity (cPs) medium to high, 900 to 1,200 Color Clear High Temperature Resistance (°C) 71 Low Temperature Resistance (°C) -54
Technical Data for 3M PR03
- Chemical Resistance - Most oils
- Chemical Resistance : Relative Solvent Resistance - Solvent resistance
1 Part or 2 Part
- Cyanoacrylate (CA) - Cyanoacrylate
- Other - Methoxyethyl
- Other - Hand applied
- Moisture / Condensation Cure - Moisture
- Clear / Transparent - Clear
Viscosity (cPs) medium to high, 900 to 1,200 Test Method Fixture or Handling Strength Time (min) 0.33 to 1.17 Set Time (min) very fast
Tensile Strength (psi) 2,000 Test Method
High Temperature Resistance (°C) 71 Low Temperature Resistance (°C) -54
Specific Gravity 1.080
Shelf Life Details Storage: For short term storage (<30 days), keep adhesive in a cool (60°F to 80°F [16°C to 27°C]), dry place out of direct sunlight. Keep containers tightly covered and free of moisture. Refrigeration (40°F [4°C]) gives optimum long term storage stability.;Rite-Lok™ Low Odor Instant Adhesives can be expected to have a shelf life of 6 months from the date of shipment from 3M when stored under refrigerated conditions. Shelf Life Temperature (°F) 140 to 176, 39 Shelf Life Type From the date of shipment Shelf Life (mon) 6
Best Practices for 3M PR03
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.
Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.
Ensure that parts are clean, dry, and free from oil and grease.
A Rite-Lok™ Instant Adhesive Activator may be required if there are bonding gaps or porous substrate surfaces, if substrates are low surface energy plastics (e.g., polyethylene, polypropylene) or if substrates have acidic surfaces (e.g., paper, leather).
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.
Low humidity or low temperature conditions will slow down the cure rate.
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