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Description for 3M 74NF Scotch-Weld Non-Flammable Foam Fast Cylinder Spray Adhesive
Industrial grade, versatile bulk spray adhesives formulated for specific substrates and market needs (soft foams – polystyrene foams).Application Type Bond 1 Part or 2 Part 1 Part Material Form Liquid, Synthetic elastomer Substrate Acrylic, Aluminum, Fabrics, Soft foams, Polystyrene foams, Galvanized, Polyethylene, Glass, Metal, Heavy papers, Most plastics, Polypropylene, Wood, FRP (Fiber Reinforced Plastic), Polystyrene foams, ABS Manufacturer 3M Chemistry Synthetic elastomer Cure Method Solvent Cure Time (min) 0.50 to 1.00 Color Translucent, Red High Temperature Resistance (°C) High temperature resistance Density (g/cm³) 9.77 (lbs/gal)
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Shear Strength Test Methods
| Shear Strength | Type | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|
| 147 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°) |
| 119 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°) |
| 225 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°) |
| 133 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°) |
| 165 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°) |
| 86 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°) |
| 130 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°) |
| 84 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°) |
| 67 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°) |
| 130 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°) |
| 125 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°) |
Tensile Strength Test Methods
| Tensile Strength | Cure Time | Test Temperature | Test Method |
|---|---|---|---|
| 30 (grams) | 10 min | -12°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. |
% Solids Test Methods
| % Solids | Test Method |
|---|---|
| 24 % | By weight |
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