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  6. 3M™ Dual Lock™ Reclosable Fastener SJ3440, Black, 25 mm x 45.7 m, 4.1 mm

3M™ Dual Lock™ Reclosable Fastener SJ3440, Black, 25 mm x 45.7 m, 4.1 mm

  • 3M ID 7000001979

Mushroom shaped stems, plain backed with no adhesive

Type 250 mates to Type 170, 250 or 400

Five times the tensile strength of typical hook-and-loop fasteners

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Details

Highlights
  • Mushroom shaped stems, plain backed with no adhesive
  • Type 250 mates to Type 170, 250 or 400
  • Five times the tensile strength of typical hook-and-loop fasteners
  • Opens and closes 1000 times before losing 50% of its original tensile strength
  • Stems snap in place to ensure fastener is engaged
  • Resists high temperatures, solvents, contamination and corrosion when fastening

3M™ Dual Lock™ Reclosable Fastener SJ3440 is black, with 40 mushroom shaped stems / cm² and an engaged thickness of 4 mm. Our reclosable fastener is plain backed with no adhesive.

3M™ Dual Lock™ Reclosable Fastener SJ3440 has been used extensively in transportation, electronics, business equipment, machinery, medical and sign and display markets. When the mushroom shaped stems interlock, tensile strength is high enough to replace mechanical fasteners. It's perfect for high tensile strength situations and is temperature, moisture and UV resistant. It’s an extremely versatile and secure alternative to traditional fastening methods, and works well with frequently removed parts.

Typical properties

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