• Description for 3M 3779

    High heat resistance • High strength • Good fuel and oil resistance

    *See Terms of Use Below

    Application Type Bond, Pot, Fixture
    1 Part or 2 Part 1 Part
    Material Form Bulk
    Substrate Ceramic, Plastic: Epoxy, Plastic: Phenolic, Glass, Polyamide, Flexible Vinyl, Polyester, Polypropylene, Rubber, Wood, Fabric, Plastic, Plastic: Acrylic, PVC, Paper, Plastic: Epoxy Board, Vinyl, Cardboard, ABS, Uncoated Cardboard, Uncoated Chipboard, Coated Cardboard, Coated Chipboard
    Industry Electrical, Electronics: Printed circuit Boards, Electronics, Instruments, Wires, Printed Wiring Board, Bundle Wires
    Manufacturer 3M
    Chemistry Hot melt
    Cure Method Hot melt
    Viscosity (cPs) 7,000
    Color Amber
    Chemical Resistance Good Fuel Resistance , Good Oil Resistance
    High Temperature Resistance (°C) 149, High heat resistance
    Density (g/cm³) 0.990
    Key Specifications FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): Applicable 21 CFR 175.105, UL 94 - VO
  • Technical Data

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  • Best Practices

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Viscosity Test Methods
Viscosity Test Method Temperature
7,000 cPs Brookfield Thermocel Viscometer in Centipoise using a #27 Spindle @ 10 RPM 191°C
Work / Pot Time Test Methods
Work / Pot Time Test Method
0.42 min 1/8" semicircular bead, Douglas Fir to Douglas Fir.
Softening Point Test Methods
Softening Point Unit Test Method
163°C ASTM E28-67
Shear Strength Test Methods
Shear Strength Substrate Test Temperature
700 psi Douglas Fir 22°C
Tensile Strength Test Methods
Tensile Strength Test Temperature
2,100 psi 22°C
Peel Strength Test Methods
Peel Strength Substrate Test Temperature
18 piw Canvas 22°C
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
149°C Temperature at which adhesive fails
High heat resistance
Impact Resistance Test Methods
Impact Resistance Test Method
Elongation Test Methods
Elongation Test Method
300 %
Flash Point Test Methods
Flash Point Test Method
550.4°F ASTM D 92-72