3M EC5 Rite-Lok Cyanoacrylate

3M EC5 Rite-Lok Cyanoacrylate Datasheet
  • Description for 3M EC5 Rite-Lok Cyanoacrylate

    Single component, high strength ethyl cyanoacrylate adhesives designed to bond to a variety of substances including most plastics, rubbers, metals, and other common substrates.

    *See Terms of Use Below

    Application Type Bond, Adhesive: Instant Adhesives
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Aluminum, Metals, Nylon, Most plastics, Polycarbonate, Polypropylene, PVC, Rubbers, Steel, Stainless Steel, Silicone Elastomers, ABS
    Manufacturer 3M
    Chemistry Cyanoacrylate, Ethyl
    Cure Method Moisture
    Gap Fill 0.002 (in)
    Cure Time (min) Very fast, 1,440
    Viscosity (cPs) Very low, <5
    Color Clear
    Chemical Resistance Oils, excellent
    Relative Solvent Resistance Chemical Resistance: solvents
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -51
    Key Specifications International Organization for Standardization
  • Technical Data for 3M EC5 Rite-Lok Cyanoacrylate

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
      • Other - Assemblies with very close-fitting parts , Bonding gaps of assembled parts.
    • Chemistry
    • Application Method
      • Other - Hand applied
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    • Color
      • Clear / Transparent - Clear
    • Key Specifications
      • International Organization for Standardization
    Specifications
    Cure Specs
    Gap Fill 0.002 (in)
    Cure Time (min) Very fast, 1,440 Test Method
    Viscosity (cPs) Very low, <5 Test Method
    Fixture or Handling Strength Time (min) <0.17 Test Method
    Bond Strength
    General Bond Strength (psi) High
    Shear Strength (psi) 2,000, 2,150, 1,600, 950, 900, 1,200, 350, 750, 100 Test Method
    Tensile Strength (psi) 2,900 Test Method
    Material Resistance
    Chemical Resistance Oils, excellent
    Relative Solvent Resistance Chemical Resistance: solvents
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -51
    Other Properties
    Specific Gravity 1.05 (g/ml) Test Method
    Business Information
    Shelf Life Details 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.;3M™ Scotch-Weld™ General Purpose Instant Adhesives can be expected to have a shelf life of one year from the date of shipment from 3M when stored under refrigerated conditions.
    Shelf Life Temperature (°F) 140 to 176
    Shelf Life Type From the date of shipment
    Shelf Life (mon) 12
  • Best Practices for 3M EC5 Rite-Lok Cyanoacrylate

    *See Terms of Use Below

    1. Surface Preparation

      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.

      An instant adhesive activator 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).

    2. Application

      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.

    3. Curing

      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™ General Purpose Instant Adhesive bonds are suitable for use up to about 180°F (82°C). At 180°F (82°C) the bonds will be approximately70% 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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Cure Time Test Methods
Cure Time Test Method
Very fast
1,440 min Uncured, On EPDM. Time to handling is substrate dependent.
Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
<0.17 min Uncured, On EPDM. Time to handling is substrate dependent.
Viscosity Test Methods
Viscosity Test Method
Very low
<5 cPs Uncured, Cone-Plate viscosity, On EPDM. Time to handling is substrate dependent.
Tensile Strength Test Methods
Tensile Strength Test Method
2,900 psi ISO 6922
Shear Strength Test Methods
Shear Strength Type Substrate Test Method
2,000 psi Overlap Shear Strength Steel Cured, ASTM D-1002, Grit blasted
2,150 psi Overlap Shear Strength Stainless Steel, Cured, ASTM D-1002, Grit blasted
1,600 psi Overlap Shear Strength Aluminum Cured, ASTM D-1002, Grit blasted
950 psi Overlap Shear Strength ABS Cured, ASTM D-1002, Substrate failure
900 psi Overlap Shear Strength Polycarbonate Cured, ASTM D-1002, Grit blastedASTM D-1002, Substrate failure
1,200 psi Overlap Shear Strength PVC Cured, ASTM D-1002, Grit blastedASTM D-1002, Substrate failure
350 psi Overlap Shear Strength Nylon ASTM D-1002
750 psi Overlap Shear Strength Polypropylene Cured, ASTM D-1002, Substrate failure, Primed with AC77
100 psi Overlap Shear Strength Silicone Elastomers Cured, ASTM D-1002, Substrate failure, Primed with AC79
Specific Gravity Test Methods
Specific Gravity Test Method
1.05 (g/ml) Uncured, On EPDM. Time to handling is substrate dependent.