3M SF20 Rite-Lok Super Fast Instant Adhesive Datasheet 3M SF20 Rite-Lok Super Fast Instant Adhesive

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  • Description for 3M SF20 Rite-Lok Super Fast Instant Adhesive

    Rely less on surface moisture for cure speed than standard cyanoacrylates. It is designed to join together difficult-to- bond plastics and rubbers, acidic and/or contaminated surfaces such as woods, leathers, cardboard, and oily surfaces.

    *See Terms of Use Below

    Chemical Resistance Excellent, Chemical Resistance: Excelent Solvent resistance, Most oils
    Application Type Bond, Adhesive: Instant Adhesives
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Aluminum Grit blasted, Nylon, paper, difficult-to-bond plastics, rubbers, Steel Grit blasted, woods, Stainless Steel Grit blasted, porous substrate surfaces, polyethylene, Low surface energy plastics, Cardboard, Low surface energy plastics
    Manufacturer 3M
    Chemistry Cyanoacrylate, Ethyl
    Cure Method Moisture
    Gap Fill (in) 0.004 (in)
    Cure Time (min) Super fast, 1,440
    Viscosity (cPs) Low, 12 to 22
    Color Clear
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
    Key Specifications CID (United States Government Commercial Item Description): A-A-3097: Type II, Class 1

  • Technical Data for 3M SF20 Rite-Lok Super Fast Instant Adhesive

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    Overview
    • Chemical Resistance
      • Chemical Resistance - Excellent, Most oils
      • Chemical Resistance : Relative Solvent Resistance - Excelent Solvent resistance
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid
    • Substrate
      • Porous Substrates - porous substrate surfaces
      • Low Surface Energy - Low surface energy plastics
      • Aluminum - Aluminum Grit blasted
      • Steel - Steel Grit blasted
      • Plastic - difficult-to-bond plastics, Low surface energy plastics
      • Nylon
      • Polyethylene (LDPE, HDPE) - polyethylene
      • Rubber - rubbers
      • Wood - woods
      • Paper - Cardboard
      • Stainless Steel - Stainless Steel Grit blasted
      • Other - acidic and/or contaminated surfaces, leathers, oily surfaces
    • Industry
      • Other - close-fitting parts and fairly smooth, even surfaces, high speed production applications
    • Chemistry
    • Application Method
      • Other - Hand applied
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    • Color
      • Clear / Transparent - Clear
    • Key Specifications
      • CID (United States Government Commercial Item Description) : A-A-3097 : Type II, Class 1
    Specifications
    Cure Specs
    Gap Fill (in) 0.004 (in)
    Cure Time (min) Super fast, 1,440
    Viscosity (cPs) Low, 12 to 22 Test Method
    Fixture or Handling Strength Time (min) 0.07 to 0.08 Test Method
    Bond Strength
    Shear Strength (psi) 1,414, 2,415, 1,795, 745, 997, 1,399, 290, 711, 85 Test Method
    Tensile Strength (psi) 4,800 Test Method
    Material Resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
    Other Properties
    Specific Gravity 1.06 (g/ml)
    Business Information
    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.;3M™ Scotch-Weld™ Super Fast Instant Adhesives can be expected to have a shelf life of 12 months from the date of shipment from 3M when stored under refrigerated conditions.
    Shelf Life Temperature (°F) 60 to 80, 40
    Shelf Life Type From the date of Shipment
    Shelf Life (mon) 12

  • Best Practices for 3M SF20 Rite-Lok Super Fast Instant Adhesive

    *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 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™ Super Fast 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.

  • Comparable Materials for 3M SF20 Rite-Lok Super Fast Instant Adhesive

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    Spec Engine® Results

    • PermaBond
      791(PermaBond)

      It is is a low viscosity, surface insensitive adhesive that will rapidly bond substrates with acidic surfaces such as wood and plated surfaces.

    • PermaBond
      101(PermaBond)

      A low viscosity product useful in wicking or penetrating applications or bonding closely fitting parts.

    • Hernon
      Instantbond 119(Hernon)

      A low viscosity, state-of-the-art, single component, solventless, room temperature curing ethyl cyanoacrylate adhesive. It can bond a wide variety of surfaces including metals, thermoplastics, elastomers, ceramics, leather, cork, and paper, but is particularly suited for bonding hard to bond plastics.

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
0.07 to 0.08 min On EPDM. Time to handling is substrate dependent
Viscosity Test Methods
Viscosity Test Method
Low
12 to 22 cPs Cone-Plate viscosity, CP75 @ 3000/s shear rate
Tensile Strength Test Methods
Tensile Strength Test Method
4,800 psi ASTM D2095
Shear Strength Test Methods
Shear Strength Type Substrate Test Method
1,414 psi Overlap Shear Strength Steel Grit blasted ASTM D-1002
2,415 psi Overlap Shear Strength Stainless Steel Grit blasted ASTM D-1002
1,795 psi Overlap Shear Strength Aluminum Grit blasted ASTM D-1002
745 psi Overlap Shear Strength ABS ASTM D-1002, Substrate failure
997 psi Overlap Shear Strength Polycarbonate ASTM D-1002, Substrate failure
1,399 psi Overlap Shear Strength PVC ASTM D-1002, Substrate failure
290 psi Overlap Shear Strength Nylon ASTM D-1002
711 psi Overlap Shear Strength Polypropylene ASTM D-1002, Substrate failure, Primed with AC77
85 psi Overlap Shear Strength Silicone Elastomer ASTM D-1002, Substrate failure, Primed with AC79