Originally Posted by Landgolier
MEK is Methyl Ethyl Ketone, otherwise known as laquer thinner. Eats most any laquer, varnish, cellulose/acetate type stuff, etc... Pretty nasty stuff, easy to make it go boom and not so good to be inhaling. It would probably eat the paint right off of any bike, though sometimes you want that.
You are correct in the above. The only thing I would add is that you especially want to keep MEK away from most plastics. It is especially bad with polycarbonate. It chews it up in nothing flat. Don't clean your glasses with it
