3M 78HT Scotch-Weld Hi-Temperature Polystyrene Foam Insulation Cylinder Spray Adhesive Datasheet 3M 78HT Scotch-Weld Hi-Temperature Polystyrene Foam Insulation Cylinder Spray Adhesive

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  • Description for 3M 78HT Scotch-Weld Hi-Temperature Polystyrene Foam Insulation Cylinder Spray Adhesive

    Industrial grade, versatile bulk spray adhesives formulated for specific substrates and market needs (soft foams – polystyrene foams).

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Liquid, Synthetic elastomer
    Substrate Acrylic, Aluminum, FRP (Fiber Reinforced Plastic), Fabrics, Metal, Heavy papers, Most plastics, Polypropylene, Wood, Fiberglass, Polystyrene foams, Galvanized, Soft foams, ABS, Polystyrene foams
    Manufacturer 3M
    Chemistry Synthetic elastomer, Flammable Solvent
    Cure Method Solvent
    Color Blue, Translucent
    High Temperature Resistance (°C) High temperature resistance
    Density (g/cm³) 5.8 (lbs/gal)

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Tensile Strength Test Methods
Tensile Strength Cure Time Test Temperature Test Method
30 (grams) 10 min 110°C 4 square inch bonds tested with 30 grams hanging in tensile. Temperature is held for 10 minutes and ramped at 10°F increments, until complete failure.
Shear Strength Test Methods
Shear Strength Type Substrate Test Temperature Test Method
87 psi Overlap Shear Strength ABS to ABS (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
160 psi Overlap Shear Strength ABS to ABS (1 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
169 psi Overlap Shear Strength Acrylic to Acrylic (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
78 psi Overlap Shear Strength Aluminum to Aluminum (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
144 psi Overlap Shear Strength Birch to Birch (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
176 psi Overlap Shear Strength Birch to Birch (1 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
29 psi Overlap Shear Strength Galvanized to Galvanized (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
76 psi Overlap Shear Strength Galvanized to Galvanized (1 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
89 psi Overlap Shear Strength Polyethylene to Polyethylene (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
155 psi Overlap Shear Strength Polypropylene to Polypropylene (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
82 psi Overlap Shear Strength FRP (Fiber Reinforced Plastic) to FRP (2 surface adhesive bond) 24°C 1 square inch bonds tested at 2 inches per minute separation rate at 75°F (24°)
% Solids Test Methods
% Solids Test Method
15 % By weight