3M™ Dual Lock™ Resealable Snap Tape SJ3540D

3M™ Dual Lock™ Reclosable Fastener SJ3540D is a high-strength, reclosable fastening solution designed as an alternative to traditional mechanical fasteners such as screws, nuts, and bolts. It features black, interlocking mushroom-shaped stems mounted on a synthetic rubber-based adhesive, enabling fast bonding to a wide range of substrates, including low surface energy plastics. The fastener provides strong, repeatable closure with an audible snap and delivers a clean, hidden appearance for finished assemblies, making it ideal for indoor applications.

Product Key Features

• Interlocking mushroom-shaped heads (250 stem density) provide strong, repeatable attachment
• Offers up to 5X the tensile strength of typical hook-and-loop fasteners
• Delivers quick stick and excellent bonding to low surface energy materials like polyethylene and polypropylene
• Confirms secure and proper engagement
• Provides a clean, smooth aesthetic without visible hardware
• Pressure-sensitive adhesive eliminates the need for drilling, screws, or sewing
• Designed for environments with temperatures up to 120°F (49°C)
• Mates with Type 170, 250, or 400 stem densities for varying strength needs

Applications

• Replacement for screws, bolts, and other mechanical fasteners
  
• Mounting panels, access covers, and lightweight assemblies
  
• Securing components made of low surface energy plastics (e.g., PE, PP)
  
• Interior signage, displays, and decorative elements
  
• Applications requiring repeated attachment and removal
  
• General indoor fastening solutions with a clean finish