The revolutionary 3M Dual Lock Reclosable Fastening System is changing the way people think about hook and loop systems. Being up to 12 times stronger than regular hook and loop systems, these reliable self-adhesive strips are replacing unsightly mechanical fixings throughout transportation, business equipment, machinery, and signage and display markets.

The mushroom shaped stems interlock and can be opened and closed hundreds of times with no seal degradation. What’s more, as there’s no drilling or locating necessary, assembly is quick and easy with Dual Lock. With acrylic versions for external use, and resistance to high temperatures and solvents, there’s virtually nowhere they can’t be used.

As a general rule, four square inches of fastener area per pound of static load to besupported is suggested as a starting point for evaluation. More or less area may be needed depending on specific conditions or end use applications. There are typically six different methods for attaching Dual Lock to various surfaces. For complete details on techniques and options for attaching Dual Lock or Scotchmate, please see the techincal bulletin on Attaching Scotchmate and Dual Lock (70-0709-3929-6). The most important technique for attaching Dual Lock SJ3560, SJ3561 and SJ3562 to various substrates is pressure sensitive adhesive attachment. Pressure Sensitive Adhesive attachment: The fasteners and substrate surfaces should have equilibrated for a minimum of 1 hour at temperatures of 68°F (20°C) or greater before application. Generally these adhesive backed fasteners should be applied to surfaces that are smooth, dry and free of oils, mold release agents or other surface contaminant