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3M™ Dual Lock™ Reclosable Fastener TB3540

3M ID B40068897
  • Black fastener with mushroom shaped stems that is backed with a rubber based pressure sensitive adhesive
  • Type 250 which mates to Type 170, 250 or 400. Closes with an audible snap
  • Designed to bond to many plastics, powder coated paints and other low surface energy materials
  • Opens and closes 1000 times before losing 50% of its original tensile strength
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Product Details

3M™ Dual Lock™ Reclosable Fastener SJ3540 has a rubber based adhesive on the back of a black, polypropylene reclosable fastener which makes it suitable for bonding many plastics, powder coated paints and other low surface energy materials. Our Dual Lock™ Reclosable Fastener SJ3540 has 40 mushroom shaped stems / cm² with a 5.8 mm engaged thickness.

3M™ Dual Lock™ Reclosable Fastener SJ3540 is for use with many plastics (acrylic, polycarbonate and AS), powder coated paints, and low surface energy materials (polypropylene and polyethylene). It’s a Type 250 stem density polyolefin fastener that is backed with a rubber based pressure sensitive adhesive. Our fastener has closure action life of 1000 times before losing 50% of its original tensile strength, making it reliable, for longer. This product has low temperature performance, with a temperature resistance of up to +50 °C long-term (+70 °C short-term), and is designed for indoor use only.

  • Black fastener with mushroom shaped stems that is backed with a rubber based pressure sensitive adhesive
  • Type 250 which mates to Type 170, 250 or 400. Closes with an audible snap
  • Designed to bond to many plastics, powder coated paints and other low surface energy materials
  • Opens and closes 1000 times before losing 50% of its original tensile strength
  • High initial tack
  • Indoor applications
  • Trial bag
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