• Description for 3M 3731

    High heat resistance • Bonds a variety of plastics including polyethylene and polypropylene

    *See Terms of Use Below

    Manufacturer 3M
    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Sticks
    Substrate Acrylic, Fabric, ABS, Corrugated, FRP, HDPE, Douglas Fir, Plastics, PolyEthylene, Polyolefin, Polystyrene, Polystyrene Foam
    Chemistry Polyolefin, Hot melt
    Cure Method Hot melt
    Cure Time (min) Fast
    Viscosity (cPs) 12,000
    Color Light Tan
    High Temperature Resistance (°C) 54, High Heat Resistance
  • Technical Data

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  • Best Practices

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  • Comparable Materials

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Viscosity Test Methods
Viscosity Test Method Temperature
12,000 cPs Brookfield Thermocel Viscometer in Centipoise using a #27 Spindle @ 10 RPM. @ 375°F1 191°C 191°C
Shear Strength Test Methods
Shear Strength Type Substrate
550 psi Overlap shear strength Polypropylene
420 psi Overlap shear strength HDPE
450 psi Overlap shear strength ABS
430 psi Overlap shear strength PVC (Rigid)
257 psi Overlap shear strength Polystyrene (High Impact)
430 psi Overlap shear strength Polycarbonate
475 psi Overlap shear strength Nylon 66
490 psi Overlap shear strength Douglas Fir
390 psi Overlap shear strength Cold Rolled Steel
Peel Strength Test Methods
Peel Strength Type Substrate
22 piw 180° Peel strength Canvas to Polypropylene
23 piw 180° Peel strength Canvas to HDPE
23 piw 180° Peel strength Canvas to ABS
18 piw 180° Peel strength Canvas to P.V.C. (Rigid)
15 piw 180° Peel strength Canvas to Polystyrene (High Impact)
22 piw 180° Peel strength Canvas to Polycarbonate
19 piw 180° Peel strength Canvas to Nylon 66
15 piw 180° Peel strength Canvas to Cold Rolled Steel