I used to use Staticide ESD, but I ran out of it. If you've read through the thread, I'm sure you know that I now use a floor cleansing liquid to coat my diaphragm. It's readily available in big supermarkets in my area, and it's cheap.
I use contact adhesive for gluing the diaphragm. Other kinds of glue don't stick to Mylar that well. You can put a lot of tension on the Mylar and a good contact adhesive will hold it. No problem. I apply the glue to the spacer and let it dry for a couple of minutes. Then I press the spacer against the Mylar and they bond tightly right away.