3M Scotch-Weld Plastic and Rubber Instant Adhesive PR Gel Datasheet 3M Scotch-Weld Plastic and Rubber Instant Adhesive PR Gel

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  • Description for 3M Scotch-Weld Plastic and Rubber Instant Adhesive PR Gel

    Designed to give exceptional performance on difficult-to-bond plastic and rubber substrates. Superior performance is achieved on materials such as heavily plasticized PVC, EPDM, ABS, Nylon, santoprene®, and viton®.

    *See Terms of Use Below

    Brand Scotch-weld
    Chemical Resistance Excellent, Chemical Resistance: Excellent solvent resistance
    Application Type Bond, Adhesive: Instant adhesive
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Composite substrates, Metal, Nylon, Paper, Difficult-to-bond plastic, Heavily plasticized PVC, Rubber, Porous substrates, Polyethylene, EPDM, ABS, Low surface energy plastics
    Manufacturer 3M
    Chemistry Cyanoacrylate, Ethyl hybrid
    Cure Method Moisture
    Cure Temperature (°C) 23
    Gap Fill (in) 0.020
    Cure Time (min) Fast, 1,440
    Viscosity (cPs) Very high, 50,000 to 90,000, 7,000 to 20,000, 100,000 to 150,000, Will not drip, Will not slump
    Color Clear
    Oil Resistance Most oils
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
    Key Specifications Registered to ISO 9001 standards

  • Technical Data for 3M Scotch-Weld Plastic and Rubber Instant Adhesive PR Gel

    *See Terms of Use Below

    Overview
    • Chemical Resistance
      • Chemical Resistance - Excellent
      • Chemical Resistance : Relative Solvent Resistance - Excellent solvent resistance
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid
    • Substrate
      • Porous Substrates
      • Metal
      • Plastic - Difficult-to-bond plastic, Low surface energy plastics
      • Nylon
      • Polyvinyl chloride (PVC) - Heavily plasticized PVC
      • Polyethylene (LDPE, HDPE) - Polyethylene
      • ABS
      • Rubber
      • EPM/EPDM - EPDM
      • Composites - Composite substrates
      • Paper
      • Other - Like substrates, Santoprene®, Viton®, Acidic surfaces, Leather, Vertical surfaces
    • Industry
      • Other - Superior performance
    • Chemistry
    • Application Method
      • Other - Hand applied
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    • Color
      • Clear / Transparent - Clear
    • Key Specifications
      • International Organization for Standardization - Registered to ISO 9001 standards
    • Brand
      • Scotch-weld
    Specifications
    Cure Specs
    Cure Temperature (°C) 23
    Gap Fill (in) 0.020
    Cure Time (min) Fast, 1,440
    Viscosity (cPs) Very high, 50,000 to 90,000, 7,000 to 20,000, 100,000 to 150,000, Will not drip, Will not slump Test Method
    Fixture or Handling Strength Time (min) 0.05 to 1.00, <0.42 Test Method
    Bond Strength
    Shear Strength (psi) 2,900, 2,200, 3,100, 2,400, 1,050, 900, 1,750, 950, 1,100, 100 Test Method
    Material Resistance
    Oil Resistance Most oils
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
    Other Properties
    Specific Gravity 1.10 (g/ml)
    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™ Plastic and Rubber Instant Adhesives can be expected to have a shelf life of 15 months from date of manufacture when stored under refrigerated conditions.
    Shelf Life Temperature (°F) 61 to 81
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 15

  • Best Practices for 3M Scotch-Weld Plastic and Rubber Instant Adhesive PR Gel

    *See Terms of Use Below

    1. Surface Preparation

      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.

      When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.

    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™ Plastic and Rubber 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 Scotch-Weld Plastic and Rubber Instant Adhesive PR Gel

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    Spec Engine® Results

    • PermaBond
      799(PermaBond)

      • Single component • Ethyl cyanoacrylate • High viscosity • Fast cure •Surface insensitive • Extremely fast setting • Rapidly bond • No solvents • Colourless.

    • PermaBond
      268(PermaBond)

      Faster set times and improved gap-filling capability compared to conventional Cyanoacrylate.

    • PermaBond
      798(PermaBond)

      Surface insensitive – cures rapidly on most surfaces, wide range of viscosities, fast setting, rapid cure.

    • Compare All

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
0.05 to 1.00 min
<0.42 min Notes: Min time between bond creation and ability to support a 5 psi tensile load. Open and set times determined by RT environment. Higher temps will lengthen open and set times, while lower temperatures will shorten open time and set time.
Viscosity Test Methods
Viscosity Test Method
Very high
50,000 to 90,000 cPs Brookfield RVT, ‘T-spindle’ C @ 2.5 rpm
7,000 to 20,000 cPs Brookfield RVT, ‘T-spindle’ C @ 20 rpm
100,000 to 150,000 cPs Brookfield viscosity, Spindle TC @ 2.5 rpm
Will not drip
Will not slump
Shear Strength Test Methods
Shear Strength Type Substrate Test Method
2,900 psi Overlap shear strength ASTM D1002 (grit-blasted steel)
2,200 psi Overlap shear strength Steel ASTM D-1002, Grit blasted
3,100 psi Overlap shear strength Stainless steel grit blasted ASTM D-1002
2,400 psi Overlap shear strength Aluminum grit blasted ASTM D-1002
1,050 psi Overlap shear strength ABS Substrate failure
900 psi Overlap shear trength Polycarbonate ASTM D-1002, Substrate failure
1,750 psi Overlap shear strength PVC ASTM D-1002, Substrate failure
950 psi Overlap shear strength Nylon ASTM D-1002
1,100 psi Overlap shear strength Polypropylene ASTM D-1002, Substrate failure, Primed with AC77
100 psi Overlap shear strength Silicone elastomer ASTM D-1002, Substrate failure, Primed with AC79