Why can “permanent” markers be erased by dry erase markers on certain surfaces?
In: Chemistry
Permanent markers and dry erase markers have solvents that keep the inks liquid until the solvent dries leaving behind the ink.
Fun fact: you can dissolve the dried ink back into the liquid form again by exposing it to solvent by simply using the same brand of marker. This allows you to erase the dried permanent marker just write over the entire area then wipe it before it dries.
This won’t work if the surface is stained. Like with fabrics or paper. It will work on most smooth surfaces though.
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