I experimented a few years ago using special thin wax film to bond panels that I was CNC machining. Never did get a satisfactory result, it often letting go even with very light cuts, and of course any heat and it melted
Then I went on to double sided tape, which is better but suffers two drawbacks. Firstly removal - hard to pull a thin sheet off without bending it and also hard to remove the goo from the part and platen. Secondly when cutting all the way through bits of the goo would gum up the cutter retaining chips.
I haven't yet tried super glue but I remember Steve (VTSteam) gluing his tractor cylinder head to his mill table for machining quite satisfactorily.