> Tape glue seems to vary. Sometimes I've had the best results
> w/ alcohol, sometimes mineral spirits, sometimes MEK, sometimes handcleaner
> (e.g. stalube).

I am not sure how it would impact the materials involved here, but I have had amazing luck with WD-40. I have used it to remove just about every adhesive know to man. I usually use it on my bike, so I would have to think about using it here. But it really works like a charm.