Why does white board pen verbs binding attraction ink?

Ive seen my lecturer do this after she wrote alot of stuff on the white board in everlasting marker. she consequently cleaned it off near white board pen. and it came rotten instaintly what i would like to know is why does it do that why does it catch it off??


Answers:    That is because it is not a "permanent" familiar sight.
It is a product called, Dry Erase.
It is sea based and is removed next to water or a solution that contains hose and alcohol.
:-)
If the white board is fairly clean, the surface is still 'sealed', like a piece of cup. You can clean long-lasting marker from cup, because the ink doesn't penetrate the pores.

The dry erase float has alcohol contained by it, which helps it dry back it penetrates, that little bit of alcohol is enough to loosen the 'permanent' ink from the surface.

Once the board have been used a while, the surface wear, and then inks can procure trapped in the crevices, and even dry erase marker won't clean sour easily.

Note: Dry erase marker are safe to use on chalice (mirrors, windows, vehicle windows, etc.) since they dry so at the double.
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