• Description for 3M PR Gel

    Designed to give exceptional performance on difficult-to-bond plastic and rubber substrates.

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Gel
    Substrate Composite, Rubber: EPDM, Porous substrates, Plastic: Polyethylene, Combination with metal, Paper, Difficult-to-bond plastic, Heavily plasticized PVC, Rubber, Low surface energy plastics
    Manufacturer 3M
    Chemistry Cyanoacrylate, Ethyl Hybrid
    Cure Method Moisture
    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
    Color Clear
    Chemical Resistance Excellent, Most oils
    Relative Solvent Resistance Chemical Resistance: Excellent Solvent resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

    *See Terms of Use Below

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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 On EPDM. Time to handling is substrate dependent.
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;
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 ASTM D-1002; Grit blasted
2,400 psi Overlap Shear Strength Aluminum ASTM D-1002; Grit blasted
1,050 psi Overlap Shear Strength ABS Substrate failure
900 psi Overlap Shear Strength 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