So far, the silicone is too hard to work with on a delicate part (too viscous). The tippex is going to peel. The boron nitride noted in the last post looks to be the commercial stuff to use, but i don't have any (might get some). The superglue is showing up all of the imperctions of the exposed pzt but seems fine. The nail varnish is hiding all the imperfections and I can't really tell what is going on underneath but seems fine.
I only have 6 of these parts and I'm a bit reluctant to test because when they short it kills the part. Will think about it till tomorrow. Any thoughts? I'm thinking the superglue is the way to go, atleast i can see the holes that have been filled, maybe the nail varnish is hiding air pockets or similar underneath.