Description
- The Dual Lock Reclosable Fastener SJ3550 provides a durable and reusable fastening solution with black interlocking mushroom-shaped heads at 250 stems per square inch, allowing multiple open-and-close cycles.
- Designed to bond securely to a variety of substrates including metals, plastics (acrylic, polycarbonate, ABS), glass, wood, and painted surfaces without leaving residue or requiring abrasion.
- Suitable for indoor and outdoor applications thanks to its UV resistance, waterproof properties, and heat tolerance up to 200°F (93°C). Ideal for mounting whiteboards, power strips, mirrors, trade show kiosks, surveillance cameras, automotive and marine accessories, and holiday decorations.
- Achieves 50% bonding strength in 20 minutes, 90% in 24 hours, and full strength in 72 hours at room temperature. Easy removal by spraying alcohol on the tape.
- Requires clean, dry surfaces for optimal adhesion; avoid touching the adhesive layer before application.












