The 2-part aerosol mixing method is interesting, although likely not the "best" solution for most situations.
Rubber Seal got back to me. It looks like they don't yet have the info up on the web, but they sent me a data sheet. Attached is a pdf of their 2K Jet Dry Epoxy Primer/Sealer.
I've also started a simple wiki entry: Epoxy primer
. Feel free to add information, edit for clarity, or correct any errors I may have made.