I visited the factory and watched the lady assemble them.
The entire length of the gap is a silicone. Once each side is together, the ends are super-glued with a syringe/metal needle, and then both sides are folded into the top metal piece (it is assembled upside down in a long v-shaped jig, the metal top placed in the bottom first). Then the end is put on to hold it together; same glue types.
The super glue seemed to be just enough to hold it together while the silicone set.
If you can get the ends loose, the rest should peel away.