3M Dual Lock Fastener SJ354D black, reclosable interlocking tape 25.4 mm x 5 m

3M Dual Lock Fastener SJ354D black is a reclosable interlocking tape 25.4 mm x 5 m designed to provide a strong, low-profile removable fastening solution. The tape consists of mushroom-shaped stems that engage with each other to create a durable, vibration-resistant connection suitable for panels, signs, displays and removable components. Supplied in black and in a 25.4 mm width with a 5 m roll length, this tape is intended for use on clean, dry surfaces where repeated opening and closing with consistent holding power is required.

Advantages

The tape offers a balance of secure retention and reusability, allowing components to be repeatedly detached and reattached without significant loss of holding force. Its low-profile design maintains a neat appearance while providing good shear and peel resistance compared with conventional hook-and-loop fasteners. Application is straightforward: apply to compatible, cleaned surfaces and press the mating strips together for immediate engagement. The black color helps the fastener blend with dark substrates and reduce visual contrast.

Suitable for

• Interior and exterior panels where removable access is needed
• Point-of-sale displays and retail signage that require periodic updates
• Mounting lightweight electronic housings and serviceable components
• Attaching trim, mouldings and decorative elements with clean edges
• Temporary or semi-permanent fixtures in automotive and marine interiors

Key specifications

• Type: reclosable interlocking tape with mushroom-shaped stems
• Color: black
• Width: 25.4 mm
• Length: 5 m (roll)
• Profile: low-profile fastening
• Holding characteristics: designed for repeated engagement with good shear and peel resistance
• Surface compatibility: suitable for clean, dry, compatible substrates such as painted metal, plastics and rigid panels

How to use

Ensure both mating surfaces are clean, dry and free of dust, oil and loosely adhered contaminants. Cut the required length from the roll, remove the liner from the adhesive backing (if present) and press the tape firmly onto the first surface. Apply the matching strip to the opposing surface using consistent pressure. Align the strips and press together to engage the interlocking stems. For maximum initial bond, apply firm pressure across the full width of the tape and allow time for any pressure-sensitive adhesive to develop its full strength according to ambient temperature and substrate conditions.

Usage recommendations

Use on smooth, non-porous, and properly prepared surfaces for best performance. Avoid use on low-surface-energy plastics without prior surface treatment or testing. For outdoor or high-humidity applications, perform a trial to verify long-term retention. When removing, pull the joined parts apart with a steady peeling force rather than sudden jerks to reduce risk of substrate damage.