Fastener 3M Dual Lock SJ457D translucent, flexible reclosable fastener 25.4 mm × 5 m

3M Dual Lock SJ457D translucent flexible reclosable fastener is a clear, low-profile fastening tape 25.4 mm wide and 5 m long designed for repeated opening and closing. The product uses mushroom-shaped discs that interlock when pressed together to form a strong, removable joint. Its translucent appearance and flexible backing make it suitable for indoor applications where an unobtrusive attachment and the ability to separate and reattach components are required, such as panels, signs, displays and removable fixtures.

Advantages

The translucent construction maintains a discreet look while providing consistent interlocking strength across the tape length. Flexible backing conforms to curved or uneven surfaces, improving contact and adhesion. The reclosable design supports multiple open/close cycles without significant loss of holding performance. The tape offers a low-profile bond that reduces visible hardware and simplifies assembly or installation tasks.

Suitable for

• Indoor signage and point-of-sale displays
• Removable panels and access covers
• Temporary mounting of lightweight fixtures and promotional materials
• Applications requiring a clear or low-visibility fastening solution

Key specifications

• Width: 25.4 mm
• Length: 5 m
• Colour/appearance: translucent/clear
• Backing: flexible tape suitable for conforming to curves
• Closure type: interlocking mushroom-shaped discs for reclosable fastening
• Intended environment: indoor use

How to use

Clean and dry both surfaces before application, removing dust, oils or contaminants that could reduce adhesion. Cut the tape to the required length, peel off the liner and apply firm pressure to bond the tape to the first substrate. Align and press the mating piece to engage the interlocking discs. Allow any adhesive to develop initial tack per ambient conditions before putting the assembly into service. To separate, pull the joined parts apart with a steady peeling action.

Usage recommendations

For best performance on smooth surfaces, ensure substrates are compatible with pressure-sensitive adhesives and are at recommended application temperatures. Avoid outdoor exposure to prolonged UV or moisture unless verified for the specific installation. Test adhesion and reclosure cycles on representative materials prior to full-scale application when strength or frequent reattachment is critical.