... 121.Speed removal of rust, sludge and carbon from EDM machine or workpiece.2.Eco-friendly3.5L or 25LIntroduction ------Remove ... yellowish discolouration. ------After removal, wipping with a dry cloth make the machine glow and the effect lasts for 1-2 months. ------ ... , pinch roller etc. Our product ranges are commonly used in machine types of Charmilles, Mitsubishi, Sodick, Fanuc, Makino, Chmer, Seibu, ...