• Black pressure-sensitive fastening tape with mushroom-shaped heads and a pressure-sensitive synthetic rubber adhesive on the back
• The version with 40 heads per cm² can be combined with counterparts featuring 26, 40 or 62 heads per cm²; audible click
• Designed for bonding to various plastic materials, powder-coated surfaces and other materials with low surface energy
• After 1,000 open-close cycles, at least 50% of the original tensile strength remains
• High initial adhesion
• Suitable for indoor applications

The 3M™ Dual Lock™ hook-and-loop tape SJ3540 features a synthetic rubber adhesive on the smooth backing of the black hook-and-loop fastener. It is suitable for bonding various plastic materials, powder-coated surfaces and other materials with low surface energy. Our hook-and-loop tape features 40 mushroom-shaped heads per cm² and is 5.8 mm thick when closed.

The 3M™ Dual Lock™ hook-and-loop tape SJ3540 is designed for attachment to many plastic materials (acrylic, polycarbonate and AS), powder-coated surfaces and materials with low surface energy (polypropylene and polyethylene). This polyolefin hook-and-loop tape features 40 heads per cm² and a pressure-sensitive synthetic rubber adhesive on the back. This hook-and-loop tape retains at least 50% of its original tensile strength after 1,000 open-close cycles, ensuring long-term reliability. This product offers long-term resistance to temperatures up to 50 °C (70 °C for short periods) and is designed for indoor use only.