Among rubbing alcohol there is 1Isopropyl and 2Ethyl.
Both can be called rubbing alcohol whether pure or diluted.
Both can also have additives and colors.
Ethyl Rubbing Alcohol always leaves bitter bad essence even after evaporation, and can leave a bitter residue when gone.
This is because there is always an additive to prevent consumption, since ethyl is derived from grain, and can intoxicate.
Ethyl Alcohol is made from grain
Isopropyl is made from propane.
Isopropyl has no additives at all most of the time, since it can not be consumed.
Everclear is grain alcohol sold with intention of consumption, and it cleans NO2 resins well also as does your vodka.