Sanwa Supply Flux Cleaner CD-100

It has little effect on rubber, plastic, and metal, and quickly removes dirt from printed circuit boards, sensors, etc. It can be used to remove a wide range of stains, from oily stains such as grease and tar to water-soluble mud stains. It is a quick-drying type that dries quickly and leaves no solid residue after drying. It comes with a nozzle so you can wash away dirt from narrow gaps. It can be sprayed even when the container is turned upside down, making it convenient for cleaning difficult areas.