The 3M™ Dual Lock™ Reclosable Fastener DL400/4225 provides an aesthetically pleasing, unbroken surface without the use of unsightly mechanical fasteners. Our fastener attaches using 3M™ Acrylic Foam Tape 4225 and is backed with a paper liner. This adhesive provides excellent shear strength, temperature and chemical resistance.
Reliable Attachment, Over and Over Designed with hundreds of interlocking mushroom-shaped stems, this fastener offers a strong, fast and easy attachment for automotive assembly applications. The polypropylene reclosable fastener is comes as a roll good and attaches to substrates with 3M™ Acrylic Foam Tape 4225. This product features 400 stems per square inch and mates to Type 170, 250 or 400 Dual Lock fasteners. The interlocking mushroom-shaped heads deliver exceptional tensile strength and can be easily attached and detached multiple times. Featuring temperature, moisture and UV resistance, this reclosable fastener offers reliable durability and its design helps reduce vibration for satisfying, long-term performance. In addition, this unique fastener secures with an audible snap to help confirm closure verification. Adhesive Performance 3M™ Acrylic Foam Tape 4225 is a medium-density, white, pressure sensitive acrylic foam tape used for the attachment of automotive exterior trim parts such as body side moldings. It features a unique foam core that provides stress relaxation when high application loads are encountered, while maintaining tight bond-line aesthetics under normal conditions. An Advanced Closure Alternative When two pieces of 3M™ Dual Lock™ Reclosable Fasteners are pressed together, the stems flex, allowing the mushroom heads slide past each other and the opposing mushroom heads interlock. These fasteners can provide high tensile strength but can be opened by simply cleaving, or peeling the closure. Alignment and re-alignment are easy and no special tools are required for installation. This means that they can be used to attach components before they enter the final assembly plant, helping to reduce the number of parts and assembly time. This product is well suited for many applications where a high strength, reclosable fastening system is required. Many 3M™ Dual Lock™ Reclosable Fastener products have good performance even after exposure to high mois