• Description for 3M 3779

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

    *See Terms of Use Below

    Chemical Resistance Good Fuel Resistance , Good Oil Resistance
    Application Type Bond, Pot, Fixture
    1 Part or 2 Part 1 Part
    Material Form Bulk
    Substrate Ceramic, Epoxy, Phenolic, Glass, Polyamide, Flexible Vinyl, Polyester, Polypropylene, Rubber, Wood, Fabric, Plastic, Acrylic, PVC, Paper, Rigid foam, Epoxy Board, Vinyl, Cardboard, ABS, Flexible foam, Uncoated Cardboard, Uncoated Chipboard, Coated Cardboard, Coated Chipboard
    Industry Electrical, 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
    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

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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
22 (IN.-LBS) IMPACT RESISTANCE (IN.-LBS.) 72°F (22°C)
Elongation Test Methods
Elongation Test Method
300 %
Flash Point Test Methods
Flash Point Test Method
550.4°F ASTM D 92-72
550.0°F