3M Dual Lock self-adhesive fasteners provide a reusable, damage free attachment solution for film and television production. Heavy duty hook and loop strips that withstand repeated opening and closing (up to 1,000 cycles) making them ideal for securing cameras, wireless transmitters, microphones, cables, and lightweight set pieces. The adhesive backing requires no drilling or screws, preserving surfaces and maintaining clean aesthetics. Weather-resistant and suitable for both indoor and outdoor use, these strips handle significant vibration and weight, ensuring reliable performance on set.

Specifications

• Length: 1 yard (0.91m)
• Product: 3M™ Dual Lock™ Reclosable Fastener SJ3550
• Type: Reclosable fastener system — interlocking black polyolefin mushroom-shaped stems that snap together
• Stem density: Type 250 — 250 stems per square inch (39 stems/cm²)
• Adhesive: White conformable acrylic foam pressure-sensitive tape (VHB-style) on the back of a black polyolefin fastener strip
• Strength: Up to 5× the tensile strength of typical hook-and-loop products. General design rule is 4 sq in of fastener per lb of static load
• Service temperature: Resists temperatures up to ~93°C (200°F)
• Properties: Heat, chemical and UV resistant. Plasticiser-resistant. Secures with an audible snap. Can be mated with Type 170, Type 250 or Type 400 stem densities for varying strength
• Bonds well to: Metals and medium-to-high surface energy plastics (acrylic, polycarbonate, ABS). The foam backing compensates for uneven or textured substrates better than the solid-backed SJ3560 variant
• Typical applications: Reclosable mounting of panels, signage, equipment access covers and lightweight fixtures where the substrate is uneven or textured. Alternative to screws and hook-and-loop where a strong, clean, low-profile reclosable bond is needed