One avenue people might want to consider for "subbing out" your clear coating - I do work for a large cabinet shop that has an in-house finisher. I showed up with my cans of 2PAC and the guy knew just what to do, no questions asked, he did the preliminary clear on my playfield as well as priming and painting a reproduction pinball cabinet and backbox for $50, and told me to bring the pf back when I was ready and he would do the final clear coating (and level sanding) for no additional charge.
So, find out if there is a cabinet shop or furniture refinisher in your town. Those guys work with volatile finishes every day and are set up to work with them safely. Plus they know how these products behave and will probably need little to no explanation of what you're looking for. If your local professional is a nice person, they'll probably think it's kinda cool and want to help you out.