3540 Dual Lock Reclosable Fastener - Mated Strip
3540 Dual Lock Reclosable Fastener - Mated Strip

3540 Dual Lock Reclosable Fastener - Mated Strip

Type 250 Mushroom Heads • Low Surface Energy Rubber Adhesive
By: 3M

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Dual Lock Reclosable Fastening Systems offer closure alternatives to zippers, screws, snaps, and more.
The interlocking mushroom head closure system is 5 times stronger than hook and loop.

Use this Dual Lock Fastener for attaching removable cabinet doors, access panels, signs, furniture cushions, headliners, and display components, etc.

This 3540 Series/Type 250 fastener has a synthetic rubber based adhesive on the back of a black polypropylene reclosable fastener with 250 mushroom stems per square inch.
The rubber adhesive is suitable for bonding to many high and low surface energy (difficult to adhere to) materials including powder coated paints, high surface energy plastics (acrylic, polycarbonate and ABS), and low surface energy plastics (polypropylene and polyethylene).
At 250 stems per square inch, it forms a moderately strong bond to itself.
(See MMM #86277 Dual Lock entry for more details about closure strengths.)

• Ideal for attaching objects to surfaces
• No dirt catching fuzz, like hook and loop closure systems
• Can be opened and closed hundreds of times
• For indoor use
• Low temperature resistance (to 120°F)
• Engaged thickness is just under 1/4"

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