The Montana Acetone spray is a multi-purpose cleaner designed for removing residue from paint, lacquer, silicone, wax and is also suited for de-greasing. The Montana Acetone won\'t leave behind any silt and is ideal for cleaning caps simply by attaching any clogged nozzles onto the can and spraying. Montana recommends testing the Acetone on a separate surface beforehand. Montana Gold Tech Acetone 400ml Thinner Cleaner Non-Corrosive Cap-Cleaning