Another product is Goo Gone, I have used this with success also. There are also citrus based cleaner/removers...sorry have not tried them.
I do not have experience using either on Lexan as I use plexiglass. I took blue tape off hatch
lens with 3m and used soapy water
immediately...no more crazing than the rest of lens over time.
3M General Purpose Adhesive Cleaner #08984.
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