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Product Details

3M Dual Lock Reclosable Fastener with 3M Pressure Sensitive Adhesive (PSA) acts just like Velcro, but is stronger. Dual Lock has five times the tensile strength of traditional hook and loop closures. Mushroom-shaped stems interlock producing a high tensile strength comparable to mechanical fasteners. A distinct advantage is the ability to open and close Dual Lock fasteners hundreds of times.

This fastening system is used extensively in transportation, electronics, business equipment, machinery, medical and sign and display markets, for applications such as securing signs, access panels or anywhere high tensile strength is required.

All rolls are 1 inch wide.

Tech Specs
3 Types Offered Dual Lock Stem Density Adhesive PSA TypeFastener MaterialEngaged Thickness
Black 3540T-250 = 250 stems per square inchRubber basedPolypropylene0.28 inch
Black 3541T-400 = 400 stems per square inchRubber basedPolypropylene0.28 inch
Clear 3560T-250 = 250 stems per square inchAcrylicPolypropylene0.27 inch
Info & Guides
  • The black Dual Lock (3540 and 3541) has a rubber based adhesive suited for indoor applications or attachments to low surface energy (LSE) materials. Examples of ideal adhesion surfaces include polyethylene, polypropylene, powder coated paints, etc.
  • The clear Dual Lock has an acrylic based adhesive designed for outdoor, high temperature or high humidity applications.
  • Technical Information

    • Packaged in rolls, 2 rolls per package
    • Rolls packaged ready to dispense with a protective film covering the adhesive side
    • Interlocking mushroom heads for fast, cost-effective reclosable fastening
    • Cycle life exceeds 1000 reclosures
    • UV resistant
    • High temperature and solvent resistant
    • Ideal for mounting or attaching weighty objects to surfaces.