You could have gone to an automotive glass shop and scrounged a foot of 'glass seating tape' and it would work just as well. This product is used for setting auto glass in the door channels. It becomes sticky when wetted with a solvent like WD-40 then dries and holds two parts together.
I short strip of thick double sided tape will also suffice. But, since you've already ordered the stuff you might want to report here how well it works. Good luck.