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Description for 3M Dual Lock Reclosable Fastener SJ3551
A positive locking, hidden fasteners designed for use in a variety of attachment solutions. They consist of continuous strips of polyolefin stems with a mushroom shaped top protruding up from the backing.Brand Dual Lock Application Type Bond Material Form Bumpons Substrate Sealed Wood, Polycarbonate, Plastics, Bare Metal, Glass, Acrylic, Polystyrene, Rigid Vinyl Industry Screw, Attaching window, Attching door trim panels, Rivet Manufacturer 3M Chemistry Acrylic, Polypropylene, Polyolefin Cure Method Pressure-Sensitive Color Black Total Thickness (mm) 3.510 High Temperature Resistance (°C) 93
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Cleavage Strength Test Methods
Cleavage Strength | Substrate | Test Method |
---|---|---|
21 (N/cm width) | Type 170 to 250 | Rigid backed from Rigid backed |
35 (N/cm width) | Type 170 to 400 | Rigid backed from Rigid backed |
42 (N/cm width) | Type 250 to 250 | Rigid backed from Rigid backed |
56 (N/cm width) | Type 250 to 400 | Rigid backed from Rigid backed |
Peel Strength Test Methods
Peel Strength | Type | Substrate | Test Method |
---|---|---|---|
1.2 (N/cm width) | T-Peel Adhesion | Type 170 to 250 | Flexible from Flexible |
2.5 (N/cm width) | T-Peel Adhesion | Type 170 to 400 | Flexible from Flexible |
3.3 (N/cm width) | T-Peel Adhesion | Type 250 to 250 | Flexible from Flexible |
2.6 (N/cm width) | T-Peel Adhesion | Type 250 to 400 | Flexible from Flexible |
3.2 (N/cm width) | 90° Peel Adhesion | Type 170 to 250 | Flexible from Rigid |
5.4 (N/cm width) | 90° Peel Adhesion | Type 170 to 400 | Flexible from Rigid |
8.1 (N/cm width) | 90° Peel Adhesion | Type 250 to 250 | Flexible from Rigid |
8.1 (N/cm width) | 90° Peel Adhesion | Type 250 to 400 | Flexible from Rigid |
Tensile Strength Test Methods
Tensile Strength | Type | Substrate |
---|---|---|
6 psi | Dynamic Tensile (Engage) | Type 170 to 250 |
10 psi | Dynamic Tensile (Engage) | Type 170 to 400 |
10 psi | Dynamic Tensile (Engage) | Type 250 to 250 |
15 psi | Dynamic Tensile (Engage) | Type 250 to 400 |
13 psi | Dynamic Tensile (Engage) | Low Profile to Low Profile |
13 psi | Dynamic Tensile (Disengage) | Type 170 to 250 |
20 psi | Dynamic Tensile (Disengage) | Type 170 to 400 |
20 psi | Dynamic Tensile (Disengage) | Type 250 to 250 |
29 psi | Dynamic Tensile (Disengage) | Type 250 to 400 |
Shear Strength Test Methods
Shear Strength | Type | Substrate | Test Time | Test Temperature | Test Humidity | Test Method |
---|---|---|---|---|---|---|
155 (grams/cm2) | Static shear strength | 600,000 sec | 38°C | 100 % | (1" x 1" overlap), Holds minimum 2.2 #/in2 for indicated time and temperature | |
155 (grams/cm2) | Static shear strength | 600,000 sec | 93°C | (1" x 1" overlap), Holds minimum 2.2 #/in2 for indicated time and temperature | ||
155 (grams/cm2) | Static shear strength | 600,000 sec | 104°C | (1" x 1" overlap), Holds minimum 2.2 #/in2 for indicated time and temperature | ||
155 (grams/cm2) | Static shear strength | 60,000 sec | 121°C | (1" x 1" overlap), Holds minimum 2.2 #/in2 for indicated time and temperature | ||
10 psi | Dynamic Shear | Type 170 to 400 | ||||
10 psi | Dynamic Shear | Type 250 to 250 | ||||
28 psi | Dynamic Shear | Type 250 to 400 |
High Temperature Resistance Test Methods
High Temperature Resistance | Test Method |
---|---|
93°C | Temperature Resistance |

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