Lacquers: ELO to soften and 'break' the finish, 01 or 99% ISO to complete the task. Total transparency - this was on ancient AMT Lacquers in the junkbox score of a lifetime. No idea if it takes out the Tamiyas or automotives.

One that is lost to history, (and I would approach with caution) is Cox model airplane fuel. Dunno if you can buy it, even. This was the first documented stripper, think it was in a Don Emmons story in one of the model mags.