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Bob Engelhardt

wrote:
Just trolling for the true-believers, but it [WD-40] does make a nicely
_plastic-safe_ solvent for many types of goop and cruft.

OK, I'll bite: WD-40 is mostly a petro distillate in the paint thinner
class. So paint thinner is just as good as WD-40 without contaminating
additives. Naptha is a little more volatile, less viscous, about as
plastic-safe, and more effective as a solvent. Naptha is my go-to
solvent for getting adhesive labels off plastic.

Bob