system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How do they make tape sticky? And how do they make duct tape even more so?
gpt
Imagine the tape is a massive flat piece of wrapping paper, they spray adhesive onto one side if it and then roll it up tightly, the adhesive is on the inside of the roll. This long tube of adhesive covered wrapping paper is then sliced up into thin slices and you have your roll of sticky tape. Differing adhesives and ‘tape’ materials change the properties, like electrical tape doesn’t stick to much but itself, masking tape sticks to a lot but with less adhesion, duct tape isn’t really more sticky if you buy low quality stuff, but good stuff just has more/better adhesive - probably tuned to the expected application of ducts... so tape to metal.