Electronics and fine optics cleaner, mildly alkaline. Rinses residue free. Ideal for electronics, printed circuit boards, Electromechanical components, glass, ceramics, plastics parts and optics. Best for removing contaminants similar to polishing suspensions, grease, oil, fluxes, spilled liquids, water damage, fingerprints, dust. Dilute with water to between 3-10 percent. Complement your ultrasonic machine with elma cleaning concentrates for faster, safer, and more impressive results. Prolongs service life of your machine. Extra-long shelf life to prevent wastage. Eliminates contaminants without leaving a residue. Highly concentrated for creating gallons of solution.