And why does pressing down on it make it stick more?
In: Chemistry
Glue.
Specifically, it is known as a pressure-sensative adhesive, meaning the glue forms a bond between two objects as you push down on the tape, effectively solidifying the glue, but also making sure that the most surface area is coated with the adhesive, which makes the bond stronger.
It requires no heat, water, or solvent to stick.
This glue is also susceptible to damage by contaminates, which is why a bandaid placed on a dirty arm will fall off quickly.
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