How do “reusable adhesives/stickers” work?
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Normal adhesive has a strong bond, then once dry creates a structure between the two surfaces with that strong bond. Reusable stickers use a gelatin like material that doesn’t dry out. The sticker is coated with a thin layer of strong adhesive, then gel. The gel has millions of pockets (like a sponge) that act like suction cups when you place it against something. When you peal it up, some of the pockets get torn or get filled with dirt, reducing it’s “stickiness”.
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